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4

What would you use to prevent a packet from traveling around a routing loop forever?

A. Split horizon

B. Poison reverse

C. Hold-down timer

D. TTL

Correct Answer :

D. TTL


Related Questions

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4

The ___________ converts an ISDN four-wire connection to a two-wire connection.

A. NT5

B. NP1

C. NT1

D. TN1

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4

When configuring your terminal emulation software for a console connection, set the flow control to __________.

A. Hardware

B. Software

C. None

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4

Which of the following is false concerning OSPF?

A. It provides a loop-free topology.

B. It is a classful protocol and allows for a hierarchical design.

C. It requires more memory and processing cycles than distance vector protocols.

D. It is complex to configure and difficult to troubleshoot.

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4

RIP generates routing updates every _________ seconds.

A. 15

B. 30

C. 60

D. 90

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4

You are given a class C network, 192.168.1.0/24. You need three networks with 60 hosts and two networks with 30 hosts. What are the subnet mask values you could use?

A. 255.255.255.128 and 255.255.255.192

B. 255.255.255.224 and 255.255.255.240

C. 255.255.255.192 and 255.255.255.224

D. None of these

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4

_________ allows you to create this summarization: 10.0.0.0/7.

A. Subnetting

B. CDR

C. Supernetting

D. VLSM

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4

When choosing a WAN solution, consider all of the following except __________.

A. Number of devices

B. Cost-effectiveness

C. Availability

D. Amount of bandwidth

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4

191.75.39.24 is a Class __________ address.

A. A

B. B

C. C

D. None of the above

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4

Which type of routing protocol uses the Shortest Path First algorithm?

A. Distance vector

B. Link state

C. Hybrid

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4

A ___________ is basically all of the components, hardware and software, involved
in connecting computers across small and large distances.

A. LAN

B. WAN

C. Network

D. SAN

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4

You are given a Class C network with 25 bits of networking. How many subnets do you have?

A. 1

B. 2

C. 3

D. 4

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4

The _________ command takes you from User EXEC mode to Privilege EXEC mode

A. DISABLE

B. ENABLE

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4

Which 2950 command assigns a VLAN to an interface?

A. vlan-membership static

B. vlan

C. switchport access vlan

D. switchport mode access

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4

Choose the following that a standard IP ACL can match on.

A. Destination address

B. IP protocol

C. IP protocol information

D. None of the above

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4

Which of the following is the most expensive type of WAN connection?

A. Dedicated circuit connection

B. Circuit-switched connection

C. Packet-switched connection

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4

A routing protocol will use a _________ to determine which path is the best path.

A. Administrative distance

B. Metric

C. Hop count

D. Cost

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4

A ___________ is similar to a telephone circuit-switched connection.

A. PVC

B. SVC

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4

Which of the following is true concerning ISL?

A. It is supported on both the 1900 and 2950 switches.

B. It adds a 26-byte trailer and 4-byte header.

C. Tagging is done in software.

D. The original Ethernet frame is not modified.

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4

The OSPF process ID is __________.

A. Locally significant and is the router ID

B. Globally significant and must be configured on every router

C. Locally significant

D. OSPF doesn't use a process ID, but an AS number

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4

IOS images can be loaded from all the following except:

A. ROM

B. Flash

C. NVRAM

D. TFTP

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4

Cisco routers generate LMI enquiries every _______ seconds and a full status update every _________ seconds.

A. 10, 60

B. 10, 6

C. 60, 300

D. 15, 60

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4

__________ states that if a neighboring router sends a route to a router, the receiving router will not propagate this route back to the advertising router on the same interface.

A. Split horizon

B. Poison reverse

C. Hold-down timer

D. Hop count limit

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4

Which metric components, by default, are used in IGRP? (Choose all the correct answers.)

A. Delay

B. Reliability

C. Load

D. Bandwidth

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4

The function of the MODE button is to __________.

A. Change the status of the ports

B. Affect what the SYSTEM and RPS LEDs represent

C. Affect what the port LEDs represent

D. Change the status of all the LEDs

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4

You are given the following addressing information: 172.17.16.255/23. What type of address is this?

A. Network

B. Directed Broadcast

C. Host

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4

Which of the following is true concerning full-duplexing?

A. It can either send or receive frames, but not both simultaneously.

B. It can be used with hubs.

C. It can be used with 10Base5 cabling.

D. It uses point-to-point connections.

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4

Which of the following is a Network layer protocol for the TCP/IP protocol stack?

A. TCP

B. UDP

C. ICMP

D. None of these

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4

172.16.240.256 is a class __________ address.

A. A

B. B

C. C

D. None of the above

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4

When configuring a router-on-a-stick, the configuration is done on __________.

A. Physical interfaces

B. Major subinterfaces

C. Subinterfaces

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4

Which of the following are not features of ACLs?

A. Restricting telnet access to a router

B. Prioritizing WAN traffic

C. Filtering traffic from the router

D. Triggering dialup phone calls