On the VRP platform, which of the following is the command to delete a VLAN?
All the protocols in the standard HDLC protocol suite run on synchronous serial line.
For a class С IP address, how many bits at most can be used for sub-netting?
Which of the following are the advantages of RSTP compared with STP? (Select multiple)
The following description of the advantages of the three-layer exchange is correct?
On the Eudemon firewall, NAT is enabled. What are the functions of NAT? (Multiple choice)
In PPP, when both ends of the communication side detect the physical line activation, they will transition from the link unavailability phase to the link establishment phase. In this phase, which of the following protocols is used to configure the link parameters?
Which type of port can implement VLAN tag stripping and forwarding? (multiple choice)
What kind of data encapsulation method does OSPF use as an application layer protocol?
What is the Age time of the RIP routing protocol that is viewed by the command on the router?
For such a network segment 192.168.2.16/28, how many hosts can I accommodate?
A MAC address consists of 48 bits and is generally expressed in 12-bit dotted decimal notation. What kind of address does a MAC address consisting of all 1s stand for?
Which attribute is selection of a root bridge based on when the spanning tree is calculated by the STP?
Which of the following communication types are defined based on information interaction between the transmitter and the receiver? (Select multiple)
In a TCP/IP protocol stack, the headers of packets at each layer are removed in the decapsulation process in a specified manner. Which of the following is the right manner?
Which of the following statements regarding routing convergence is correct?
Network protocols are diverse and are now the most widely used, and have become the standard protocol for the Internet?
What part of a complete data communication system should be composed (multiple choice)
In the STP calculation, when the port is in the following options, the data frame is not forwarded, and the MAC address table is not learned.
In this state, the port receives and processes STP packets, but does not send STP packets.
When the port of Hybridrid sends a message, what are the following statements correctly? (multiple choice)
Which of the following commands can switch a view from the system view to the user view?
Regarding the TTL field of the IP packet header, what are the following statements correct? (multiple choice)
Which of the following statements regarding OSPF area are incorrect? (Select multiple)
What are the duplex modes supported by the Ethernet electrical port? (multiple choice)
OSPF runs over the IP protocol and the IP protocol No. used by which OSPF?
The firewall does not provide detection for encrypted data or for data in tunnels that traverse it.
What level of functionality is addressing and routing in the OSI reference model?
Which of the following types of ports allow transparent transmission of VLANs? (multiple choice)
Since the FR virtual circuit is connection-oriented and the different local DLCIs are connected to different peer devices, the local DLCI can be considered as the "frame relay address" of the peer device.
The following may result in the inability to establish an adjacency relationship between OSPF routers? (multiple choice)
Directly connected to the specified port of the peer device, does not forward any packets, but which port is the port that receives BPDUs to monitor network changes?
After the switch receives the complete data frame, it performs a CRC check. After the check is passed, the frame is forwarded. What is the forwarding mode called?
When the router forwards data (without address translation), which of the following items have not been changed in forwarding? (multiple choice)
Asynchronous Response Mode (ARM) is a way of allowing any node to initiate a transfer.
What is the packet that the STP downstream device uses to notify the upstream device that the network topology changes?
Which of the following IPs may be broadcast addresses if the subnet mask is not clear? (multiple choice)
In full-duplex mode, both parties can receive and transmit data simultaneously.
Which of the following options is working in full duplex mode?
When two routers perform LSDB database synchronization, which of the following messages is used to describe their own LSDB?
Which of the following protocols is used to transfer files that make up a page on the World Wide Web?
The computer automatically obtained the address 169.254.136.228, what are the following statements correct? (multiple choice)
Which of the following options is used to view the route that IP datagrams pass from one host to another?
Which commands can be used to view the configuration information of interface Serial 1/0/1? (multiple choice)
180On the VRP platform, how many OSPF processes can a router enable by default?
RlP protocol, in the RIPV2 version, which address is sent by default to the update message?
Which of the following two types of interfaces can the switch be? (multiple choice)
The network administrator is removing multiple VLANs from the switch. When the administrator enters the undo vlan 1 command, he receives an error message.
What is the cause of the error message?
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When a router that enables proxy ARP receives an ARP request packet, it finds that the destination address of the packet is not its own. Which operation is required? (Multiple selection)
172. DHCP establishes and maintains a UDP connection between the PC client and the DHCP server, so that the client PC automatically obtains a temporarily fixed IP address.
Which of the following statements about VRRP is correct? (multiple choice)
On the VRP platform, what methods can be used to make the interface of the router only receive RIP routing updates? (multiple choice)