Which of the following routing protocols has the highest priority?
A. Direct
B. Static
C. OSPF
The network administrator of a certain company wants to uniformly divide the users who often access the company network from different switches to VLAN 10 when they frequently change office locations. Which of the following methods should be used to divide VLANs? ()
A. VLAN based on protocol
B. VLAN based on MAaddress
C. VLAN based on port
D. VLAN based on subnet
What elements can NAPT convert? ()
A. Only MAaddress
B. IP address + port number
C. MAAddress + port number
D. Only IP address
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 hybriuntaggeD. vlan 4 6#
A. 1, 2.3, 100
B. 2, 3, 100
C. 1, 2, 3, 4.6, 100
D. 2.3, 4, 6, 100
What is the range of VLAN ID that users can use? ()
A. 1-4096
B. 1-4094
C. 0-4096
D. 0-4095
If during the PPP authentication process, the authenticatee sends the wrong user name and password to the authenticator, what type of message will the authenticator send to the authenticatee? ()
A. Authenticate-Reject
B. Authenticate-Ack
C. Authenticate-Nak
D. Authenticate-Reply
When using the SNMPv1 protocol to manage network devices, which of the following commands is used by the network management system to complete the configuration of the network devices? ()
A. Response
B. Set Request
C. Get-Request
The display startup information of the AR2200 router. Regarding these information, the statement is wrong ()
A. The system file at the next startup of the device can be modified with the command "startup system software"
B. The running configuration file is not saved
C. The system file used for this startup of the device is ar2220-v200r003c00spc00.cc
D. The system file cannot be modified when the device is started next time
At what layer of the OSI reference model does a router operate? ( )
A. Data link layer
B. Transport layer
C. Application layer
D. Network layer
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 ().
A. The switch will broadcast this data frame to all ports (except the receiving port) in the VLAN where the data frame is located
B. The switch will broadcast the data frame to all ports
C. The switch will discard this data frame
D. The switch will broadcast this data frame to all Access ports
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