COMPUTER NETWORKING QUIZ

Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?1. Switch2. NIC3. Hub4. Repeater5. RJ45 transceiver

5 only

1 and 3

1 only

All of these

3 and 4

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Unmodulated signal coming from a transmitter is know as

Primary signal

None of these

Baseband signal

Carrier signal

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A network administrator wants to upgrade the IOS of a router without removing the image currently installed. What command will display the amount of memory consumed by the current IOS image and indicate whether there is enough room available to hold both the current and new images?

show version

show memory

show buffers

show flash

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To enable OSPFv3, which of the following would you use?

Router1(config-if)# ipv6 ospf 10 area 0.0.0.0

Router1(config-if)# ipv6 router rip 1

Router1(config-rtr)# no shutdown

Router1(config)# ipv6 router eigrp 10

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Computers in a LAN can be interconnected by radio and infrared technologies.

255.255.255.255

Multiplexer

Network Topologies

Wireless LANs

Modem

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Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.

Token-Ring, because it uses a MAU

Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies

Ethernet, because it can be set up with most topologies and can use multiple transfer speeds

Ethernet, because it is cabled using fiber-optic cable

Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology

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What are the two main types of access control lists (ACLs)?1. Standard2. IEEE3. Extended4. Specialized

2 and 4

1 and 2

3 and 4

1 and 3

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If an Ethernet port on a router were assigned an IP address of 172.16.112.1/25, what would be the valid subnet address of this host?

172.16.0.0

172.16.255.0

172.16.96.0

172.16.112.0

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Which router command allows you to view the entire contents of all access lists?

show access-lists

show interface

show ip interface

show all access-lists

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You need to create an access list that will prevent hosts in the network range of 192.168.160.0 to 192.168.191.0. Which of the following lists will you use?

access-list 10 deny 192.168.160.0 0.0.31.255

access-list 10 deny 192.168.160.0 0.0.191.255

access-list 10 deny 192.168.160.0 255.255.224.0

access-list 10 deny 192.168.0.0 0.0.31.255

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