Which router command would you use to test only layer-3 connectivity?
telnet
show cdp traffic
show interfaces
traceroute
Correct Answer :
D. traceroute
Related Questions
An OSPF's router ID is based on __________.
The lowest IP address on its loopback interface, if configured, or the lowest IP address onits active interfaces
The highest IP address on its loopback interface, if configured, or the highest IP address on its active interfaces
The highest IP address on its active interfaces, if configured, or the highest IP address on its loopback interfaces
The lowest IP address on its active interfaces, if configured, or the lowest IP address on its loopback interfaces
RIP generates routing updates every _________ seconds.
15
30
60
90
You are given a Class C network, 192.168.1.0/24. You need one network with 120 hosts
and two networks with 60 hosts. How many subnet masks do you need?
1
2
3
4
___________ defines LAPD, which is responsible for the data-link layer connection between the router and the ISDN switch.
Q.931
Q.921
I.921
I.931
When choosing a dynamic routing protocol, which of the following should not be considered?
Metrics used
How routing information is shared
How routing information is processed
Number of PCs in the network
A Class A address has _________ host bits.
8
16
20
24
If the port status LED on a 2950 is ________, there is a physical layer connection problem.
Flashing green and amber
Flashing green
Amber
Flashing amber
Which router command clears all of the static translations in the address translation table?
erase ip nat translation *
clear ip nat translation *
clear ip nat translation all
None of these commands
Which is an example of a hybrid protocol?
IGRP
EIGRP
RIPv1
OSPF
Which type of traffic is not flooded?
Multicast
Known unicast
Broadcast
Unknown unicast
If the 2950's RPS is ________, the external power supply is supplying power.
Off
Amber
Flashing amber
Green
When backing up your IOS image from flash, which of the following will the copy flash tftp command prompt you for? (Choose all correct answers.)
TFTP server IP address
Verification to copy
Source filename
Destination filename
A _________ provides a high-speed infrastructure to move data between storage devices and file servers.
SAN
LAN
CN
SAN and CN
Which VTP mode(s) will propagate VTP messages?
Client and server
Server
Client, server, and transparent
Transparent
If you wanted a list of parameters for the show command, you would type ________.
LOOK
VIEW
SHOW
The function of the MODE button is to __________.
Change the status of the ports
Affect what the SYSTEM and RPS LEDs represent
Affect what the port LEDs represent
Change the status of all the LEDs
172.16.240.256 is a class __________ address.
A
B
C
None of the above
When you have configured PPP on an interface and use the show interfaces command, what state indicates the successful negotiation of a network layer protocol?
ACK
CHALLENGE
CLOSED
OPEN
A ___________ is similar to a telephone circuit-switched connection.
PVC
SVC
To recall a previous command, which of the following would you use?
CTRL-P
ctrl-n
ctrl-r
down arrow
What subnet mask would you use to set up a default route?
0.0.0.0
255.255.255.255
Depends on the type of network number
None of these answers
With a crossover cable, which pins are crossed over?
1 and 2, 3 and 6
1 and 3, 2 and 6
1 and 4, 2 and 6
1 and 3, 4 and 6
What uses 64 Kbps of bandwidth?
PRI
BRI
DS1
DS0
OSPF uses __________ as a metric.
Bandwidth
Delay
Cost
Hop count
___________ only translates one (and only one) IP address to another.
NAT
PAT
PAR
NAT and PAT
EIGRP uses the _________ algorithm to update its routing table.
Bellman-Ford
Dijkstra
DUAL
Integrated
Which of the following is false concerning CHAP?
It sends an encrypted password.
It sends a challenge.
It is more secure than PAP.
It uses a three-way handshake.
You have this binary value: 11000001. This equates to _____ in decimal.
183
193
173
203
You are given a class C network, 192.168.1.0/24. You need one network with 120 hosts and three networks with 60 hosts. What subnet mask values would you use?
255.255.255.128 and 255.255.255.192
255.255.255.128
255.255.255.192
None of these
Which of the following is false concerning OSPF?
It provides a loop-free topology.
It is a classful protocol and allows for a hierarchical design.
It requires more memory and processing cycles than distance vector protocols.
It is complex to configure and difficult to troubleshoot.