多項(xiàng)選擇題Given the address 192.168.20.19/28, which of the following are valid host addresses on this subnet?()

A.192.168.20.29
B.192.168.20.16
C.192.168.20.17
D.192.168.20.31
E.192.168.20.0


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2.多項(xiàng)選擇題

Use the output from the router shown in the graphic above to determine which of the following are correct.()

A. Router John uses a link-state routing protocol.
B. Router John will receive routing updates on the Serial0/0 interface.
C. Router John will receive routing updates on the Serial0/1 interface.
D. Router John will send routing updates out the Serial0/0 interface.
E. Router John will send routing updates out the FastEthernet0/0 interface.
F. Router John will send routing updates out the Serial0/1 interface.

3.多項(xiàng)選擇題

Which of the following statements describe the network shown in the graphic?()

A. There are two broadcast domains in the network.
B. There are four broadcast domains in the network.
C. There are six broadcast domains in the network.
D. There are four collision domains in the network.
E. There are five collision domains in the network.
F. There are seven collision domains in the network.

4.多項(xiàng)選擇題Which characteristics are representative of a link-state routing protocol?()

A. provides common view of entire topology
B. exchanges routing tables with neighbors
C. calculates shortest path
D. utilizes event-triggered updates
E. utilizes frequent periodic updates

5.多項(xiàng)選擇題Which of the following statements are true regarding bridges and switches?()

A. Switches are primarily software based while bridges are hardware based.
B. Both bridges and switches forward Layer 2 broadcasts.
C. Bridges are frequently faster than switches.
D. Switches have a higher number of ports than most bridges.
E. Bridges define broadcast domains while switches define collision domains.
F. Both bridges and switches make forwarding decisions based on Layer 2 addresses.

6.多項(xiàng)選擇題What are some of the advantages of using a router to segment the network?()

A. Filtering can occur based on Layer 3 information.
B. Broadcasts are eliminated.
C. Routers generally cost less than switches.
D. Broadcasts are not forwarded across the router.
E. Adding a router to the network decreases latency.

7.多項(xiàng)選擇題Which of the following are true regarding bridges and switches?()

A. Bridges are faster than switches because they have fewer ports.
B. A switch is a multiport bridge.
C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
D. A bridge will forward a broadcast but a switch will not.
E. Bridges and switches increase the size of a collision domain.

8.多項(xiàng)選擇題Which router IOS commands can be used to troubleshoot LAN connectivity problems?()

A.ping
B.tracert
C.ipconfig
D.show ip route
E.winipcfg
F.show interfaces

9.多項(xiàng)選擇題Which of the following are benefits of VLANs?()

A. They increase the size of collision domains.
B. They allow logical grouping of users by function.
C. They can enhance network security.
D. They increase the size of broadcast domains while decreasing the number of collision domains.
E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.
F. They simplify switch administration.

10.多項(xiàng)選擇題Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?()

A.15.234.118.63
B.92.11.178.93
C.134.178.18.56
D.192.168.16.87
E.201.45.116.159
F.217.63.12.192

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