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If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? ()

A.ip default-gateway 0.0.0.0
B.ip route 172.16.2.1 0.0.0.0 0.0.0.0
C.ip default-network 0.0.0.0
D.ip default-route 0.0.0.0 0.0.0.0 172.16.2.1
E.ip route 0.0.0.0 0.0.0.0 172.16.2.1

2.多項(xiàng)選擇題

Refer to the exhibit. The two exhibit devices are the only Cisco devices on the network. The serial network between the two devices has a mask of 255.255.255.252. Given the output that is shown, what three statements are true of these devices? ()

A.The Manchester serial address is 10.1.1.1
B.The Manchester serial address is 10.1.1.2
C.這個(gè)Manchester路由器串口地址為:10.1.12
D.The London router is a Cisco 2610.
E.The Manchester router is a Cisco 2610.
F.The CDP information was received on port Serial0/0 of the Manchester router.
G.The CDP information was sent by port Serial0/0 of the London Router.

4.單項(xiàng)選擇題Which command is used to display the collection of OSPF link states?()

A.show ip ospf lsa database
B.show ip ospf link-state
C.show ip ospf neighbors
D.show ip ospf database

5.多項(xiàng)選擇題What two things will a router do when running a distance vector routing protocol? ()

A.Send periodic updates regardless of topology changes.
B.Send entire routing table to all routers in the routing domain.
C.Use the shortest-path algorithm to the determine best path.
D.Update the routing table based on updates from their neighbors.
E.Maintain the topology of the entire network in its database.

6.單項(xiàng)選擇題Which command displays CPU utilization?()

A.show protocols
B.show process
C.show system
D.show version

7.單項(xiàng)選擇題On corporate network, hosts on the same VLAN can communicate with each other, but they are unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?()

A.a router with subinterfaces configured on the physical interface that is connected to the switch
B.a router with an IP address on the physical interface connected to the switch
C.a switch with an access link that is configured between the switches
D.a switch with a trunk link that is configured between the switches

8.單項(xiàng)選擇題

Refer to the exhibit. What is the meaning of the output MTU 1500 bytes?()


A.Themaximumnumberofbytesthatcantraversethisinterfacepersecondis1500.
B.Theminimumsegmentsizethatcantraversethisinterfaceis1500bytes.
C.Theminimumpacketsizethatcantraversethisinterfaceis1500bytes.
D.Themaximumpacketsizethatcantraversethisinterfaceis1500bytes.
E.Themaximumframesizethatcantraversethisinterfaceis1500bytes.

9.單項(xiàng)選擇題A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOS image.what function does the router perform next?()

A.It checks the configuration register
B.It attempts to boot from a TFTP server
C.It loads the first image file in flash memory
D.It inspects the configuration file in NVRAM for boot instructions

10.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