CCENT Final Exam Practice 1 — 50 Question Set

Posted on September 9, 2009. Filed under: CCNA |


Exam: 640-822 Interconnecting Cisco Networking Devices Part 1 (ICND1)

Test time: 90 minutes.

Questions: 50-60 questions.

Pass Score: 80% correct.

Answers and Explainations

Question 1: (QID=2961)

We want to assign port 3 of our Catalyst 2950 switch to VLAN 3. What command will achieve this?

1. switch(config)#switchport access vlan 3

2. switch#switchport access vlan 3

3. switch(config-if)#switchport vlan 3

4. switch(config-if)#switchport access vlan 3

———————————————

 

Question 2: (QID=25148)

Which command will allow only ssh connections to the router?

1. transport input telnet ssh

2. transport input ssh

3. transport ssh

4. transport ssh enable

———————————————

 

Question 3: (QID=2986)

Which utility would we use to test all 7 OSI layers?

1. Ping

2. Trace route

3. Telnet

4. Show arp

———————————————

 

Question 4: (QID=1286)

You are the network administrator and are given the tasks to plan for the future expansion of the network. You decide to subnet the current network of 172.15.0.0. What will be the subnet mask be if every subnet has to allocate 500 hosts.

1. 255.255.0.0

2. 255.0.0.0

3. 255.255.240.0

4. 255.255.254.0

———————————————

 

Question 5: (QID=2359)

What address range is commonly used for testing purposes?

1. 10.0.0.0/16

2. Any available IP Address

3. 127.0.0.0/8

4. 240.0.0.0 – 255.255.255.255

———————————————

 

Question 6: (QID=2975)

If we have multiple IOS versions on our router, how can we view which ones are available?

1. Show version

2. Show memory

3. Show file systems

4. Show flash:

———————————————
Question 7: (QID=2375)

What do you use when you want to display a message to all the terminals connected to a router?

1. banner login

2. banner motd

3. banner exec

4. banner slip-ppp

———————————————

 

Question 8: (QID=1294)

Given the following IP Address 172.16.0.0/27 what is the 4th subnet’s network address, host range and broadcast address? The router is running IOS version 12.2.

1. Subnet address 172.16.1.0, host range 172.16.1.1 – 172.16.1.30, broadcast address 172.16.1.31

2. Subnet address 172.16.0.128, host range 172.16.0.129 – 172.16.0.158, broadcast address 172.16.0.159

3. Subnet address 172.16.0.96, host range 172.16.0.97 – 172.16.0.126, broadcast address 172.16.0.127

4. Subnet address 172.16.1.128, host range 172.16.1.129 – 172.16.1.158, broadcast address 172.16.0.159

———————————————

 

Question 9: (QID=2995)

Which of the following symbols indicate that a ping was successful?

1. !

2. .

3. ?

4. U

———————————————

 

Question 10: (QID=25114)

Which layer of the OSI Model does a gateway operate at?

1. Session

2. Application

3. Network

4. Datalink

5. Physical

———————————————

 

Question 11: (QID=3629)

What are the 2 sublayers of the Data Link layer of the OSI model?

1. Logical Layer Control

2. Logical Link Control

3. Media Access Control

4. Medium Access Control

———————————————

 

Question 12: (QID=25126)

Which of the following are valid actions of port-security?

1. shutdown

2. restrict

3. protect

4. reset

———————————————

 

Question 13: (QID=2341)

Why would a network administrator implement VLANs?

1. Security

2. Higher latency

3. Performance enhancement

4. No more need for routers

5. Broadcast control

———————————————

 

Question 14: (QID=2354)

Which of the following describe full-duplex Ethernet?

1. it uses point-to-point connections

2. is limited to speeds of 100Mb

3. stations can transmit and receive at the same time

4. it uses point-to-multipoint connections

———————————————

 

Question 15: (QID=25140)

Which of the following would you use if you wanted to transfer data securely across the internet?

1. VPN

2. Leased Line

3. URL Filtering

4. Anti-x

———————————————

 

Question 16: (QID=25145)

The address field in a frame-relay header is called?

1. MAC

2. DLCI

3. PVC

4. SVC

———————————————

 

Question 17: (QID=3619)

What is the default encapsulation on a Cisco router serial interface?

1. Frame-Relay

2. SDLC

3. PPP

4. HDLC

———————————————

 

Question 18: (QID=25144)

 

What type of cable is shown in the exhibit?

1. AEIA/TIA-232

2. EIA-530

3. X.21

4. V.35

———————————————

 

Question 19: (QID=1282)

Which of the following OSI layers is responsible for reliable transmission of data segments?

1. Session

2. Application

3. Transport

4. Data-Link

———————————————

 

Question 20: (QID=1307)

Which of the following protocols operate at Layer 3 of the OSI model? [Select all that apply]

1. IP

2. TCP

3. ICMP

4. UDP

5. ARP

6. SPX

———————————————

 

Question 21: (QID=1297)

What command will change the hostname of a router?

1. router#host name new name

2. router(config-router)#hostname new name

3. router>host name new name

4. router(config)#hostname new name

———————————————

 

Question 22: (QID=2362)

What command do we use to find out how long our router has been online?

1. Show version

2. Show hardware

3. Show uptime

4. Show history

———————————————

 

Question 23: (QID=25128)

802.11a uses which frequency range?

1. 900 MHz

2. 2.4 GHz

3. 5 GHz

4. 7 GHz

———————————————

 

Question 24: (QID=25118)

Which of the following protocols are routing protocols? [Select all that apply]

1. BGP

2. FTP

3. OSPF

4. SMTP

5. SNMP

6. RIP

7. NNTP

8. IGRP

———————————————
Question 25: (QID=25123)

What is the meaning of amber SYST led on a 2960 switch?

1. This is normal operation

2. There is a bridging loop

3. The switch IOS is loading

4. The switch failed its POST

———————————————

 

Question 26: (QID=2379)

We want to go back to user EXEC from privileged EXEC. What command do we use to achieve this without exiting the session?

1. Exit

2. Log out

3. Disable

4. Logout

———————————————

 

Question 27: (QID=3632)

As a network administrator we want to make it easy to assign IP addresses to hosts. What protocol do we use?

1. DNS

2. DHCP

3. HSRP

4. NTP

———————————————

 

Question 28: (QID=2343)

Which of the following Routing Protocols are considered Interior Protocols?

1. OSPF

2. EGP

3. RIP

4. EIGRP

5. BGP

———————————————

 

Question 29: (QID=25116)

Wireless LANs are defined by which IEEE standard?

1. 802.10

2. 802.5

3. 802.3

4. 802.11

———————————————
Question 30: (QID=3685)

What are some advantages of having a layered OSI Model? [Select all that apply]

1. Changes at one layer do not affect the other layers

2. Networks are harder to design

3. Different vendor’s equipment can easily interoperate

4. Changes at one layer are propagated throughout the other layers

5. Prevents routing loops

———————————————

 

Question 31: (QID=3696)

Given the following network range 192.168.0.0/24. We want minimum 50 hosts on each of the available subnets. What will be the subnet mask?

1. /24

2. /25

3. /26

4. /27

———————————————

 

Question 32: (QID=1299)

Which key-sequence would you use to move the cursor to the beginning of the line?

1. CTRL+ P

2. CTRL+ E

3. CTRL + A

4. CTRL + F

———————————————

 

Question 33: (QID=1301)

 

You are the administrator of network X. You decided to implement RIP in the following topology (click exhibit). You do not want R3 to receive RIP updates. What configuration changes need to be implemented?

1. Implement a passive-interface on R1

2. Nothing needs to be configured

3. Create a sub-interface on R1

4. Change the routing protocol to OSPF

———————————————
Question 34: (QID=25124)

How do you enable SSH on your switch?

1. switch(config-line)#input ssh

2. switch(config-line)#transport input ssh

3. switch(config-line)#transport ssh

4. SSH is enabled by default

———————————————

 

Question 35: (QID=25136)

When we have a variation in delay it is called?

1. Loss

2. Latency

3. Delay

4. Jitter

———————————————

 

Question 36: (QID=2998)

 

After connecting two routers back-to-back we are unable to ping across the serial connection. A closer look reveals that both serial interfaces have the following status:

‘Serial0 is up, line protocol is down’

What needs to be configured on one of the routers to bring the serial interface up? [See the exhibit for network topology]

A) router1(config)# interface serial 0

router1(config-if)#clock rate 64000

B) router1(config)#interface serial 0

router1(config-if)#clockrate 64000

C) router2(config)#interface serial 0

router2(config-if)#clockrate 64000

D) router2(config)#interface serial 0

router2(config-if)#clock rate 64000

1. A

2. B

3. C

4. D

———————————————

 

Question 37: (QID=3002)

 

We try to look at the log on the router but we get the following [see exhibit]. What do we need to do in order to view the log?

1. Reboot the router

2. Use the logging buffered global configuration command

3. Use the enable log all global configuration command

4. We can not do anything since there is no such thing as a log

———————————————

 

Question 38: (QID=3633)

HTTP and FTP are found at which OSI layer?

1. Network layer

2. Transport layer

3. Application layer

4. Presentation layer

———————————————

 

Question 39: (QID=25117)

For the network 192.168.1.0/27, what is the 5th subnet’s network address, broadcast address and host range? IP Subnet-zero is configured.

1. Subnet 192.168.1.0, Broadcast 192.168.1.31, hosts 192.1683.1.1 – 192.168.1.30

2. Subnet 192.168.1.160, Broadcast 192.168.1.191, hosts 192.168.1.161 – 192.168.1.190

3. Subnet 192.168.1.96, Broadcast 192.168.1.127, hosts 192.168.1.97 – 192.168.1.126

4. Subnet 192.168.1.128, Broadcast 192.168.1.159, hosts 192.168.1.129 – 192.168.1.158

———————————————

 

Question 40: (QID=25137)

What kind of attack is designed to gather information?

1. DoS attack

2. DDoS attack

3. Reconnaissance attack

4. Access attack

———————————————

 

Question 41: (QID=25143)

Which of the following are considered CPE?

1. CSU/DSU

2. Telco switch

3. Router

4. Demarcation point

———————————————

 

Question 42: (QID=2378)

What command do we use to determine if a Serial interface on a Cisco router is either DTE or DCE?

1. Show interface serialx

2. Show ip interface serialx

3. Show controllers serial x

4. Show role serial x

———————————————

 

Question 43: (QID=25115)

Which of the following protocols can you find at the Transport layer of TCP/IP model? [Select all that apply]

1. ICMP

2. TCP

3. IP

4. FTP

5. ARP

6. UDP

———————————————

 

Question 44: (QID=2987)

Our router has restarted and we want to know what caused this. Which command can we use to find out?

1. Show history

2. Show version

3. Show startup-config

4. Show ip protocols

———————————————
Question 45: (QID=1479)

Which of the following statements are true? [Select all that apply]

1. Switches control broadcast domains

2. Hubs control collision domains

3. Routers control broadcast domains

4. Hubs control broadcast domains

5. Switches control collision domains

———————————————

 

Question 46: (QID=25138)

What is described by a self-propagating piece of software that replicates itself on the network and usually used in DoS attacks?

1. Virus

2. Trojan

3. Spyware

4. Worm

———————————————

 

Question 47: (QID=25122)

Which of the following terms describes an IP address that represents a host on an enterprise network?

1. Inside global

2. Inside local

3. Outside global

4. Outside local

———————————————

 

Question 48: (QID=25142)

How many bytes make up the network portion of a class C address?

1. 1

2. 2

3. 3

4. 4

5. 6

6. 8

———————————————

 

Question 49: (QID=2965)

We want to create an additional VLAN on our Catalyst 2950 switch. Which command do we use?

A) Switch1(config)#vlan 45

Switch1(config-vlan)#end

B) Switch1(config-vlan)#vlan 45

Switch1(config-vlan)#end

C) Switch1(enable)#vlan 45

D) Switch1(config-vlan)#vlan 45

Switch1(config-vlan-database)#end

1. A

2. B

3. C

4. D

———————————————

 

Question 50: (QID=25134)

Which of the following is a mechanism used by TCP/IP to protect buffer space and routing devices?

1. Flow control using windowing

2. Connection establishment and termination

3. Error recovery

4. Multiplexing using ports

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