H12-811_V1.0 Exam Dumps - HCIA-Datacom V1.0 Exam
CSS refers to the combination of two switch devices that support cluster features. Logically combined into one switch device. ()
On Huawei switches, you can use the vlan batch command to create multiple VLANs in batches, simplifying the configuration process. ()
Protocol Priority Switch A. and Switch B. adopt LACP mode link aggregation, and all interfaces join the link aggregation group. At the same time, set the maximum number of active ports to 3. Then which port of switch A is not an active port? ()
The ACL on the ARG3 series routers supports two matching sequences, configuration sequence and automatic sorting. ()
As shown in the figure below, what kind of network equipment can host A and host B use to communicate? () (Single-choice question)
For switches running the SIP protocol, the port needs to wait for the forwarding delay in the Learning state before it can be converted to the Forwarding state. ()
When using the ping command on the VRp platform, if you need to specify an IP address as the source address of the echo request message, which of the following parameters should be used? ()
Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()
If the network address of a network is 10.1.1.0/30, what is its broadcast address? ()
Which category does the IPv6 address FE80:2E0:FCFF:FE6F:4F36 belong to? ()
To ensure that the same data flow is forwarded on the same physical link, which load sharing method does the Eth-Trunk adopt? ()
In the MAC address table of the switch, which of the following entries will not age?
As shown in the figure, if the command ping 10.1.1.2 is executed on R1, the data frame of VLAN 10 received from LSW2 by LSW1 is tagged. ()(True or False)
The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
In the network shown in the figure below, when the 0$PF neighbor status is stable. What is the neighbor status of Router B and Router C?
The MPLS label header is encapsulated between the data link layer header and the network layer header of the message. ()
In the OSPF protocol, which of the following descriptions of DR is correct? ()
By default, it takes at least 30s for the port status in the STP protocol to change from Disable D. to Forwarding status. ()
Two switches use manual link aggregation at the same time. The following statement is wrong. () (Single-choice question)
As shown in the figure, host A and host B want to implement inter-VLAN communication through single-arm routing. What configuration should be done under the G0/0/1.1 interface of RTA?()(Single-choice question)
The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
＜Huawei＞display mac address
MAC address table of slot 0:
MAC Address VLAN/PEVLAN CEVLAN Port Type LSP/LSR-ID
VSI/SI MAC-Tunnel
5489 9811 0b49 1 Eth0/0/3 static 0/
Total matching items on slot 0 displayed =1
MAC address table of slot 0:
MAC Address VLAN/ PEVLAN CEVLAN Port Type LSP/LSR-ID
VSI/SI MAC-Tunnel
5489-989d-1d30 1 Eth0/0/1 dynamic 0/-
5489-9885-18a8 1 Eth0/0/2 dynamic 0/-
Total matching items on slot 0 displayed ï¼2
At what percentage does the DHCP client send the lease renewal message for the first time? ()
In the wLAN network architecture, terminal devices that support the 802.11 standard are called? ()
The second layer switch belongs to the data link layer device, which can identify the MAC address information in the data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port information in its own MAC address table. ()
Telnetlib is a module that implements the Telnet protocol that comes with Python ()
Which of the following statements about the usage scenarios of the DHCP protocol is correct? ()
The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
The output information of the STP port of a certain switch is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
ï¼»Huaweiï¼½display stp interface Ethernet 0/0/1
-------［CIST Global Info］［Mode STP］-------
CIST Bridge: 32768.4c1f-cc46-4618
Config TimesHello 4s MaxAge 20s FwDly 15s MaxHop 20
Active Times:Hello 2s MaxAge 20s FwDly 15s MaxHop 20
CIST Root/ERPC:0.4c1f-ccf7-3214/200000
CIST RegRoot/IRPC: 32768.4c1f-cc46-4d18/0
In the OSI reference model, what can complete end-to-end error detection and flow control is ()
The router receives a data packet with a destination IP address of 11.0.12.1 from host A. After this data packet is forwarded by the router, what are the destination MAC. and destination IP? ()
In the figure below, all switches have enabled the STP protocol, assuming that the path cost value of all ports is 200. What is the root path cost value contained in the configuration BPDU message received by the G0/0/4 port of $WD? () (Single-choice question)
The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability. ()
An existing switch is connected to a designated port through a port, but the port does not forward any packets, but can monitor network changes by receiving BPDUs, then the role of the port should be ().
Switch stacking supports more than two devices, and multiple switches can be grouped into a logical device through stacking. ()
VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configurations and set commands but cannot operate the file system?
Use the ACL shown in the figure on the router RTA to match routing entries. Then which of the following entries will be matched?
(RTA) acl 2002
(RTA-acl-basic-2002) rule deny source 172.16.1.1 0.0.0.0
(RTA-acl-basic-2002) rule deny source 172.16.0.0 0.255.0.0
A router in the backbone area has complete LSDBs of routers in other areas.
Which of the following are true about the Ethernet data frame with the "Length/Type" field being 0x0806?
After an Eth-Trunk in LACP mode is created, devices on both ends send LACPDUs to elect the Actor. Which of the following parameters in LACPDUs determine the Actor election?
In a broadcast address, all host bits are set to 1, and a broadcast address can be used as a host address.
Which of the following statements regarding static routing and dynamic routing is incorrect?
Which of the following descriptions regarding the TTL field of the IP packet is correct?
Which of the following statements is true about root bridge election in STP?
Which of the following commands is used to configure the country code on an AC?
Refer to the following configuration of a switch interface. Which of the following statements is false?
interface GigabitEthernet0/0/1
port link-type trunk
port trunk pvid vlan 200
port trunk allow-pass vlan 100
Which of the following packets are exchanged between STAs and an AP to obtain the AP's SSID before association with the AP?
Which of the following is correct regarding the configuration of the trunk port and access port on a switch?
The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments.
As shown in the figure, which of the following ports will be in blocking state?
The rules in an ACL may overlap. If packets match the rules with loose conditions, the later ACL rules are not processed. In this case, packets cannot match the rules with strict conditions. Therefore, the rules with strict conditions must be arranged in front lines and those with loose conditions must be arranged towards the end.
If the IPv4 address of a host on a LAN is 192.168.1.1/30, the host will process IP packets with specific destination IP addresses. Which of the following IP addresses may be the destination IP addresses?
After the administrator performs the configuration shown in the figure on a router, which of the following commands can be used to specify a short lease for addresses assigned using DHCP?
As shown in the figure, RTA uses NAT and has an address pool configured to implement many-to-many non-NAPT address translation, so that hosts on the private network can access the public network. Assume that the address pool has only two public IP addresses, which are translated for Host A and Host B. If Host C wants to access the public network, which of the following statements is true?
Which of the following statements is true about link aggregation in manual load balancing mode?
Network devices running SNMP can proactively report traps to help network administrators detect faults in a timely manner.
On the network shown in the figure, host A logs in to router A through Telnet and obtains the configuration file of router B through FTP on the remote CLI. How many TCP connections exist on router A?
Which of the following WLAN security policies support open link authentication?
The tree topology is a hierarchical star topology, facilitating network expansion. A consequence of this topology is that faults on a node at a higher layer are more severe.
UDP does not guarantee data transmission reliability and does not provide packet sorting and traffic control functions. It is suitable for the traffic that has low requirements for data transmission reliability, but high requirements for the transmission speed and delay.
If Proto of a route displayed in the routing table is OSPF, the preference of the route must be 10.
Which of the following advantages is/are provided by inter-VLAN routing in one-arm routing mode?
To provide the information about the IP addresses that a user packet traverses along the path to the destination, which of the following does Tracert record in each expired ICMP TTL packet?
A Layer 2 switch works at the data link layer. As such, it can identify MAC addresses in data frames, forward data based on MAC addresses, and record mappings between MAC addresses and interface numbers in its MAC address table.
On the Huawei VRP, what is the default preference of different route types, in descending order?
Which of the following statements are true about transport-layer protocols?
Which statement is true regarding the following command?
ip route-static 10.0.12.0 255.255.255.0 192.168.1.1
Assuming all STP enabled switches have the same bridge priority. The MAC address of switch A is 00-e0-fc-00-00-40, the MAC address of switch B is 00-e0-fc-00-00-10, the MAC address of switch C is 00-e0-fc-00-00-20, and the MAC address of switch D is 00-e0-fc-00-00-80. Which switch will be elected as the root switch?
FTP transfer data at a time requires several TCP connections to be established
Refer to the graphic, 00e0-fc99-9999 is a specific host MAC address learned by a switch through ARP, and the host changes the IP address three times.
When two switches are connected through link aggregation, what are the requirements for the interfaces on the two switches?
For the Versatile Routing Platform (VRP), the login timeout period can be set only on a VTY interface.
RSTP uses the proposal/agreement mechanism to shorten the time that an upstream port waits before transitioning to the Forwarding state, but no temporary loop occurs. Why?
As shown in the figure, if host A has the ARP cache of host B, host A can ping host B.
Which of the following parameters is used to elect the root bridge in STP?
Which of the following statements about the routing table shown in the figure are true?
Which of the following IEEE 802.11 standards supports a theoretical negotiated rate of 5 Gbit/s or higher?
Which of the following statements is true about the Forward Delay timer of STP?
Which of the following methods is not supported by the Versatile Routing Platform (VRP) to configure a router?
It is advised to assign static IP addresses to servers during campus network planning.
According to the one-armed routing configurations shown in the figure, even if ARP proxy is disabled on the sub-interface of R1, the Administration Dept and Finance Dept can still communicate with each other.
What is used as the data link-layer MAC address that identifies each VAP on an AP?
When a host uses the stateless address autoconfiguration solution to obtain an IPv6 address, the host cannot obtain the DNS server address.
A Layer 2 ACL can match information such as the source MAC address, destination MAC address, source IP address, and destination IP address.
After a switch restarts, static MAC address entries saved on the switch remain in the MAC address table.
Which of the following protocols does the RA. message used by IPv6 stateless autoconfiguration belong to? ()
NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets ()
UDP cannot guarantee the reliability of data transmission, and does not provide functions such as message sequencing and flow control. It is suitable for flows that do not require high transmission reliability, but require high transmission speed and delay ().
Which of the following information prompts is used by the VRP operating platform for incomplete input commands? ()
Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()
Neither the A1 ternate interface nor the Backup port in RSTP can forward user traffic, nor can they receive, process, and forward BPDUs ()
The host's IPv4 address is 200.200.200.201/30. Which of the following hosts has an IPv4 address and its communication does not need to be forwarded by a router? ()
The tree network topology is actually a hierarchical star structure, which is easy to expand the network scale, but the higher the level, the more serious the network problem caused by the node failure ()
In the RSTP standard, in order to improve the convergence speed, the port that the switch is directly connected to the terminal can be defined as ()
When the host frequently moves, which VLAN division method is most appropriate? ()
The following description about the specified port of the spanning tree is correct ()
The RSTP protocol uses the P/A mechanism to speed up the speed of the upstream port to the F orwarding state, but what is the reason for the no temporary loop? . Shorten the time of ForwarD.Del ay
The change of the Router ID of the OSPF process takes effect immediately.
When two OSPF routers form a 2-WAY neighbor relationship, the LSDB. has been synchronized. ()
What kind of message does the OSPF protocol use to confirm the received LSU message? ()
In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information? ()
The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host.
To ensure that the same data stream is forwarded on the same physical link, which load sharing method does Eth Trunk use?
A network engineer prompts the following message when entering the command line: Error: UnrecognizeD.commanD.founD.at 'ï¼¾' position. Which of the prompt information is correct? ()
There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. ()
VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be deleted. ()
What is the value of the Type field in the RStp configuration BPDU message? ()
The configuration information of a certain port of the switch is shown in the figure. Then, when the data frame of which VLAN is sent by this port, it carries the VLAN TAG? ()interface GigabitEtherneto/0/1 port hybriD.taggeD.vlan 2 to 3 100 port hybriD. untaggeD. vlan 4 6#
STA. Before associating to AP, it needs to obtain SSID through some message exchange. What are these messages? ()
In the broadcast network, OSPF runs on four routers in the same area and on the same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect ()
VRP operating platform, which of the following commands can only view static routes? ()
Which of the following commands to configure the default route is correct? ()
The tracert diagnostic tool in Huawei routers is used to track the data forwarding path. ()
When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()
Regarding the IPv6 address 2031:0000:720C:0000:0000:09E0:839A:130B, which of the following abbreviations are correct? ()
As shown in the figure, you only need to configure this static route on R1, and the two hosts can communicate with each other normally.
In the network shown in the figure below, the bridge ID of the switch has been marked. Enter the command stp rootsecondary on the sWD. switch and the following switch will become the root bridge of this network. ()
The host uses the IP address 192.168.1.2 to access the Internet-it must go through NAT. ()
The device port running the STP protocol is in the Forwarding state. Which of the following statements are correct? ()
The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch and the MAC address are compared at the same time. ()
Which of the following port states is not included in the RSTP protocol? ()
Which of the following statements about the role of the STP protocol ForwarD.Delay is correct? ()
By default, what is the ForwarD.Delay time of the STP protocol in seconds? ()
The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements about the CAPWAP protocol is correct? ()
On Huawei ARG3 routers, the -i parameter of the Ping command in VRP is used to set ().
There are multiple route entries to the same destination network in the routing table. These routes are called? ()
Which of the following fields is not included in the He1lo packet of the OSPF protocol? ()
Which of the following IPv4 addresses the host uses cannot directly access the Internet? ()
In the VRP system, what function does the Ctrl+Z key combination have? ()
VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be created ()
In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()
Layer 3 devices like routers receive data frames based on () Forwarding data frames.
Use the command kdir test in the VRP operating platform. The system will create a directory named test.
In the network shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
The administrator plans to implement route backup by configuring static floating routes, the correct way to achieve this is ().
For multiple paths to the same destination network, the router needs to select by comparing the magnitude of the Prererence value. If the Preference is the same, the router selects according to the magnitude of the Cost value. ()
The IPv4 address assigned by the network administrator to a host in the network is 192.168.128, how many more hosts can be added to the network where this host is located? ()
Now you need to implement a Python automation script Telnet to the device to view the running configuration of the device. What is wrong with the following statement? ()
When a switch receives a unicast data frame with a VLAN tag, but finds that the destination MAC address of the data frame cannot be queried in its MAC address table, the switch's processing behavior for the data frame is ().
As shown in the figure below, assuming that the MAC address table of SWA. is as follows, now host A. sends a data frame with a destination MAC address of MAC-B. Which of the following statements is correct? ()
When the host frequently moves the office, which VLAN division method is most suitable? ()
By default, on the broadcast networkOSPFWhat is the transmission period of the protocol HELLO message? ()
After the network administrator uses the Tracer tRoute function on the router device, in the data packet sent by the router, the value of the Protoco1 field in the IPv4 header is?
NFV (Network Functional Virtualization), network function virtualization, realizes the deployment of network applications in a software-based way. ()
The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch is compared with the MAC address at the same time. ()
The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge IDs will be the root bridge? ()
The FIT AP can obtain the IP address of AC. through the DHCP Option to establish a CAPWAP tunnel. Which Option needs to be configured on the DHCP server for this? ()
Broadcast network. OSPF runs on four routers in the same area. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve better backup results
If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host? ()
The output information of a router's routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()
The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host. ()
It is known that there are two entries in the routing table of a router. If the router wants to forward packets with the destination address of 9.1.4.5, the correct one of the following statements is ()
What kind of network equipment can host A and host B use to achieve communication?
To provide different network services for different users on the AP, which of the following can be configured?
The link aggregation interface can only be used as a Layer 2 interface (C)
When the device running STP receives the RSTP configuration BPDU, it will discard it. ()
When using the ping command on the VRp platform, if you need to specify a P address as the source address of the echo request message, which of the following parameters should be used? ()
When two OSPF routers form a 2-WAY neighbor relationship, LSDB. has been synchronized. ()
The IP addresses of the VLANIF interfaces of the same switch cannot be the same. ()
AP does not need AC. It can independently complete the work of wireless user access, wireless user authentication, and business data forwarding.
In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information?
The Layer 2 networking of WLAN refers to STA. It uses AC as its own gateway. ()
The two switches shown in the figure below have both enabled the STP protocol, which port will eventually be in the Blocking state? ()
The network management workstation manages network devices through the SNMP protocol. When an abnormality occurs in the managed device, what kind of SHMP message will the network management workstation receive? ()
The information shown in the figure is the port status information displayed on a switch running STP. According to this information, what is wrong in the following description? () (Single-choice question)
The router running the 0SPF protocol can reach the FULL state after completing the LSDB. synchronization. ()
Which of the following are not the characteristics of a small campus network? ()
Which of the following types of addresses are not included in IPv6 addresses? ()
The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
The network shown in the figure below assumes that all routers can enable OSPF at the same time. Which router is the DR in this network? () (Single-choice question)
By default, network devices running the SNMPv2C. protocol use which of the following port numbers to send trap messages to the network management system? ()
As shown in the figure, when the switch needs to forward frames with the destination mac address of 5489-98ec-f011, which of the following descriptions is correct? () (Single-choice question)
In the history of WLAN development, which of the following is not included in the main wireless protocol standards in the primary mobile office era? ()
The configuration information of a certain port of the switch is shown in the figure. What is the PVID of this port? () (Single-choice question)
Complete the ACL configuration shown in the figure on the router RTA. Which of the following descriptions is correct? () (Single-choice question)
(RTA) acl 2001
(RTA-acl-basic-2001) rule 20 permit source 20.1.1.0 0.0.0.255
ï¼»RTA-acl-basic-2001ï¼½rule 10 deny source 20.1.1.0 0.0.0.255
The network shown in the figure below. Which router is the BDR in this network? () (Single-choice question)
As shown in the figure below, all hosts can communicate normally. Is the correspondence between the MAC address and the port in the MAC address table of SWB correct? () (Single-choice question)
As shown in the figure, the network administrator creates VLAN2 on SWA and SWB. The ports connecting the hosts on the two switches are configured as Access ports. They are assigned to VLAN2. G0/0/1 of SWA and G0/0/2 of SWB are configured as Trunki ports. All VLANs are allowed to pass. What is needed to achieve normal communication between two hosts? () (Single-choice question)
The following rules exist in an ACL of a router. Rule deny top source192.168, 1.00.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 is the correct statement? ()
The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong? ()
interface GigabitEthernet0/0/1 port link type trunk port trunk pviD.vlan 200 port trunk allow-pass vlan100#
As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the destination address in the data packet will not change. ()(True or False)
The ACL configuration information of a certain router is shown in the figure. Which of the following statements is correct? () (Single-choice question)
In the network shown in the figure below, the host has an ARP cache, and host A sends a packet to host B. What are the destination MAC and destination IP of this packet? () (Single-choice question)
Among the configuration BPDUs sent by the switch, which bridge D. is unlikely to appear? ()
The number of VLANs that can be created using the commands "vlan batch1020 and "vlan batch10to20" respectively is ()
The Layer 2 Ethernet switch generates entries in the MAC address table according to the () of the Ethernet frame received by the port. ()
As shown in the broadcast network. 0SPF runs on four routers. And in the same area. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. ()(True or False)
On Huawei AR G3 Series routers, which authentication modes does AAA support?
Which of the following statements about IPv6 address configuration is correct? ()*
Which of the following statements about encapsulation and decapsulation are true?
In RSTP, an edge port becomes a common STP port after receiving a configuration BPDU.
An AR2200 router needs to restore the initial configuration, which of the following operations are necessary? ()*
In order to detect the connectivity status of the CAPWAP tunnel, after the CAPWAP tunnel is established, which of the following CAPTAP messages is used by the AC for detection? ()*
Virtualization is the basis for implementing NEV. Which of the following statements about the characteristics of virtualization is correct? ()*
When an AP and an AC are located on different Layer 3 networks, which of the following methods is recommended for the AP when discovering the AC?
Which of the following commands is used to display the CPU usage of a router?
Dynamic routing protocols can automatically adapt to network topology changes.
To enable Router A to communicate with Loopback 0 on Router B on the network shown in the figure, which of the following commands needs to be run on Router A?
As specified by the RSTP protocol, when a root port fails, which type of port will function as a new root port and enter the forwarding state without any delay?
Which of the configurations in the following options belong to a Layer 2 ACL? ()*
Which of the following statements about static routes on Huawei devices is false?
Which of the following IPv4 addresses can be directly used by a host to access the Internet?
Which of the following packets is used by OSPF to describe its link state database (LSDB)?
In the STP protocol, which of the following factors will affect the election of the root switch? ()*
From a security perspective, router A refuses to receive OSPF packets. ICMP packets received from the cO/0/1 interface. Which of the following commands can achieve this requirement? ()
Static NAT can only implement one-to-one mapping between private and public addresses.
Which of the following statements about IPv6 anycast addresses are correct?
Refer to the display startup command output shown in the figure. Which of the following statements are true?
Which of the following MAC addresses cannot be used as the MAC address of host network adapters?
In STP, which of the following items may affect the selection of the root switch?
The output information of a certain router is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
The router ID of the OSPF process takes effect immediately after being changed.
The output information of a certain device is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
Which of the following parameters need to be considered when electing a root port in STP? ()*
In the CAPWAP tunnel establishment phase, after AC. receives the Join Request message sent by the AP, AC. will check the validity of the AP. Which of the following is the authentication method supported by AC. ()*
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()*
According to the VTY user interface configuration shown in the following figure, the user level is set to 3.
By referring to the topology and the configurations of G0/0/1 interfaces on LSW1 and LSW2 shown in the figure, it can be determined that data frames tagged with VLAN 10 can be normally forwarded between LSW1 and LSW2.
What is the default lease time of the IP address allocated by the DHCP server?
Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?
NAT configuration is as follows, which IP can be converted when accessing the public network (RTA) acl2000 (RTA-acl-basic-2000) rule5 permit source 192.168.1.00.0.0.255 RTA-acl-basic-2000) rule 10 permit source 192.168. 2.0 0.0.0.255 RTA-acl-basic-2000)quit RTA)interface serial1/0/0
(RTA-Serial1/0/0 )nat outbound 2000 address-group1 no-pat *
In STP, the bridge ID on the switching network is as follows. With which of the following bridge IDs is the switch selected as the root bridge?
On the network shown in the figure, the router receives a data packet with the destination IP address 11.0.12.1 from Host A.
After the packet is forwarded by the router, which of the following are the destination MAC address and destination IP address of the data packet?
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()
The G0/0/1 interface configuration information of router A is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
Which of the following WLAN security policies support open link authentication?
If the application-layer protocol is Telnet, what is the value of the "Protocol" field in the IPv4 header?
The TCP protocol uses the three-way handshake mechanism to establish and disable connections. Therefore, TCP supports reliable data transmission.
Which of the following functions does the LCP protocol in the PPP protocol support? ()*
In the OSPF protocol, the correct one in the following description of DR is (). ()*
Which of the following commands sets the data forwarding mode on an AC to direct forwarding?
During STP calculation, the port cost is associated with the port bandwidth by default. Which of the following statements about the relationship between port cost and port bandwidth is true?