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CCNA系列認證CCNA(640-801)章節(jié)練習(2019.04.25)

單項選擇題
While troubleshooting a network connectivity issue, you suspect that a router may be missing a route, or may be receiving bad routing information to a destination. What command should you issue to view the route that the router will use to reach a given destination?（）
A. ping
B. trace
C. show ip route
D. show interface
E. show cdp neighbors
單項選擇題
Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?（）
A. frame-relay arp
B. frame-relay map
C. frame-relay interface-dlci
D. frame-relay lmi-type
單項選擇題
The following was issues on router TestKingA:TestKingA #show ip ospf neighborNeigbor ID PRI State Dead Time Address Interface192.168.1.2 1 Full/- 00:00:37 192.168.1.2 Serial1Which type of OSPF network will provide the output shown in the graphic?（）
A. FDDI
B. nonbroadcast multiaccess
C. broadcast multi-access
D. point-to-point
單項選擇題
If the bandwidth of an OSPF interface is configured with the "bandwidth 64"command, what would be the calculated cost of the link?（）
A. 1
B. 64
C. 1562
D. 64000
E. 1500
單項選擇題
You are working as an administrator at TestKing, and you need to set the bandwidth of your routers serial port to 56K. Which of the following commands would you use?（）
A. Bandwidth 56000
B. Bandwidth 56000000
C. Bandwidth 56
D. Bandwidth 56kbps
單項選擇題
At a branch location, TestKing.com has deployed a non modular router that is equipped with two serial interfaces and two Ethernet interfaces.What additional equipment must be used to allow the branch office to connect to the central office by using an ISDN service?（）
A. a serial cable with a V.35 to RJ45 adapter
B. a CSU/DSU
C. an external ISDN TA and NT1
D. The non-modular router cannot connect to an ISDN service. The network administrator must purchase a modular router with an ISDN BRI-U card.
多項選擇題
What are some characteristics of the typical VLAN arrangement?（）
A. VLANs logically divide a switch into multiple, independent switches at Layer 2.
B. Trunk links can carry traffic for multiple VLANs.
C. VLAN implementation significantly increases traffic due to added trunking information.
D. A VLAN can span multiple switches.
E. VLANs extend the collision domain to include multiple switches.
F. VLANs typically decrease the number of multiple switches.
單項選擇題
What does a configuration Register Setting of 0x2105 indicate to the Router? （）
A. The Boot IOS Code is Located in the NVRAM.
B. Check NVRAM for boot system Commands.
C. Bypass NVRAM Configurations.
D. Boot the IOS Code Located in ROM.
E. Perform a Password Recovery.
F. Bypass The Code In ROM.
單項選擇題
You are bringing up a new Cisco Catalyst switch, and wish to connect it via a trunk to another switch from a different vendor, which uses the IEEE standard for the trunking method.When setting the encapsulation type on the trunk, what should you configure on the Cisco switch?（）
A. Switch(config)# switchport trunk encapsulation isl
B. Switch(config)# switchport trunk encapsulation ietf
C. Switch(config-if)# switchport trunk encapsulation isl
D. Switch(config-if)# switchport trunk encapsulation ietf
E. Switch(config-if)# switchport trunk encapsulation dot1q
單項選擇題
When configuring Frame Relay using point-to-point subinterfaces, which of the following must not be configured?（）
A. The local DLCI on each subinterface of the Frame Relay.
B. The Frame Relay encapsulation on the physical interface.
C. An IP address on the physical interface.
D. The subinterface type as point-to-point

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