單項(xiàng)選擇題Which parameter can be tuned to affect the selection of a static route as a backup.when a dynamic protocol is also being used?（）

A. link bandwidth
B. hop count
C. link cost
D. administrative distance
E. link delay


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1.單項(xiàng)選擇題VLAN 3 is not yet configured on your switch.What happens if you set the switchport access vlan 3 commmand interface configuration mode?（）

A. The command is accepted and the respective VLAN is added to vlan dat.
B. The command is rejected.
C. The command is accepted and you must configure the VLAN manually.
D. The port turns amber.

2.單項(xiàng)選擇題The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?（）

A. 10.10.0.0/18 subnetted with mask 255.255.255.252
B. 10.10.0.0/25 subnetted with mask 255.255.255.252
C. 10.10.0.0/24 subnetted with mask 255.255.255.252
D. 10.10.0.0/23 subnetted with mask 255.255.255.252
E. 10.10.0.0/16 subnetted with mask 255.255.255.252

3.單項(xiàng)選擇題Which component of VPN technology ensures that data can be read only by its intended recipient?（）

A. data integrity
B. encryption
C. key exchange
D. authentication

5.單項(xiàng)選擇題When a host transmits data across a network to another host, which process does the data go through?（）

A. standardization
B. conversion
C. encapsulation
D. synchronization

最新試題

Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?（）

題型：?jiǎn)雾?xiàng)選擇題

Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）

題型：?jiǎn)雾?xiàng)選擇題

A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?（）

題型：?jiǎn)雾?xiàng)選擇題

After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）

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Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?（）

題型：?jiǎn)雾?xiàng)選擇題

A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?（）

題型：?jiǎn)雾?xiàng)選擇題

While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）

題型：?jiǎn)雾?xiàng)選擇題

An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）

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You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the max number of subnets.Which network address and subnet mask meet this requirement?（）

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At which layer of the OSI model is RSTP used to prevent loops?（）

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