Cnt 140
Practice for final
- 1.
Which of the following are the address ranges of the private IP addresses? (Choose three.)
- A.
10.0.0.0 to 10.255.255.255
- B.
200.100.50.0 to 200.100.25.255
- C.
150.150.0.0 to 150.150.255.255
- D.
172.16.0.0 to 172.31.255.255
- E.
192.168.0.0 to 192.168.255.255
- F.
127.16.0.0 to 127.31.255.255
Correct Answer(s)
A. 10.0.0.0 to 10.255.255.255
D. 172.16.0.0 to 172.31.255.255
E. 192.168.0.0 to 192.168.255.255 -
- 2.
Which password is automatically encrypted when it is created?
- A.
Vty
- B.
Aux
- C.
Console
- D.
Enable secret
- E.
Enable password
Correct Answer
D. Enable secret -
- 3.
Refer to the exhibit. A network technician is trying to determine the correct IP address configuration for Host A. What is a valid configuration for Host A?
- A.
IP address: 192.168.100.19; Subnet Mask: 255.255.255.248; Default Gateway: 192.16.1.2
- B.
IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.17
- C.
IP address: 192.168.100.21; Subnet Mask: 255.255.255.248; Default Gateway: 192.168.100.18
- D.
IP address: 192.168.100.22; Subnet Mask: 255.255.255.240; Default Gateway: 10.1.1.5
- E.
IP address: 192.168.100.30; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.1.1
- F.
IP address: 192.168.100.31; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.18
Correct Answer
B. IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.17 -
- 4.
Refer to the exhibit. What function does router RT_A need to provide to allow Internet access for hosts in this network?
- A.
Address translation
- B.
DHCP services
- C.
Ftpd
- D.
Web server
Correct Answer
A. Address translation -
- 5.
Refer to the exhibit. When computer A sends a frame to computer D, what computers receive the frame?
- A.
Only computer D
- B.
Only computer A and Computer D
- C.
Only computer B, Computer C, and Computer D
- D.
All computers
Correct Answer
A. Only computer D -
- 6.
Which OSI layer does IP rely on to determine whether packets have been lost and to request retransmission?
- A.
Application
- B.
Presentation
- C.
Session
- D.
Transport
Correct Answer
D. Transport -
- 7.
What is the effect of using the Router# copy running-config startup-config command on a router?
- A.
The contents of ROM will change.
- B.
The contents of RAM will change
- C.
The contents of NVRAM will change
- D.
The contents of flash will change
Correct Answer
C. The contents of NVRAM will change -
- 8.
Refer to the exhibit. The diagram represents the process of sending e-mail between clients. Which list correctly identifies the component or protocol used at each numbered stage of the diagram?
- A.
1.MUA 2.MDA 3.MTA 4.SMTP 5.MTA 6.POP 7.MDA 8.MUA
- B.
1.MUA 2.POP 3.MDA 4.SMTP 5.MTA 6.MDA 7.SMTP 8.MUA
- C.
1.MUA 2.POP 3.SMTP 4.MDA 5.MTA 6.SMTP 7.POP 8.MUA
- D.
1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA
Correct Answer
D. 1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA -
- 9.
Refer to the exhibit. The router of the company failed and was replaced. After the replacement, hosts C and D in the Education office are able to ping each other, but they are unable to access the hosts in the Accounts office. What is the likely cause of the problem?
- A.
The IP address at the fa0/0 interface of the router is incorrectly configured
- B.
The subnet mask at the fa0/1 interface of the router is incorrectly entered
- C.
The IP address at the serial interface of the router is incorrectly configured
- D.
The hosts in the Accounts office are not on the same subnet as the hosts in the Education office
Correct Answer
B. The subnet mask at the fa0/1 interface of the router is incorrectly entered -
- 10.
Refer to the exhibit. Host A and B are unable to communicate with each other. What is the reason for this?
- A.
Host A is assigned a network address.
- B.
Host B is assigned a multicast address.
- C.
Host A and host B belong to different networks
- D.
The gateway addresses are network addresses
Correct Answer
D. The gateway addresses are network addresses -
- 11.
Refer to the exhibit. While configuring a network, a technician wired each end of a Category 5e cable as shown. Which two statements are true about this setup?
- A.
The cable is suitable for connecting a switch to a router Ethernet port
- B.
The cable is suitable for connecting dissimilar types of devices
- C.
The cable is unusable and must be rewired.
- D.
The cable is terminated in a way that the transmit pin is wired to the receive pin
- E.
The cable simulates a point-to-point WAN link
Correct Answer(s)
A. The cable is suitable for connecting a switch to a router Ethernet port
B. The cable is suitable for connecting dissimilar types of devices -
- 12.
Two routers are connected via their serial ports in a lab environment. The routers are configured with valid IP addresses, but they cannot ping each other. The show interface serial0/0 command shows that the serial0/0 interface is up but the line protocol is down. What could be the cause of this problem?
- A.
The no shutdown command has not been applied to the interfaces
- B.
The clock rate command has not been entered on the DCE interface
- C.
The interface timers are not cleared
- D.
The FastEthernet interface is emulating a serial interface by assigning it a timing signal
Correct Answer
B. The clock rate command has not been entered on the DCE interface -
- 13.
Which device should be used for enabling a host to communicate with another host on a different network?
Correct Answer
router
Router - 14.
Refer to the exhibit. Cable A is plugged into the console port on switch S1. What is required on the PC for a network technician to enter the initial configuration on S1?
- A.
A terminal emulation program
- B.
A web browser
- C.
A Telnet client
- D.
An FTP client
Correct Answer
A. A terminal emulation program -
- 15.
Which three IPv4 addresses represent subnet broadcast addresses?
- A.
192.168.4.63 /26
- B.
192.168.4.129 /26
- C.
192.168.4.191 /26
- D.
192.168.4.51 /27
- E.
192.168.4.95 /27
- F.
192.168.4.221 /27
Correct Answer(s)
A. 192.168.4.63 /26
C. 192.168.4.191 /26
E. 192.168.4.95 /27 -
- 16.
A user enters http://www.cisco.com/web1.htm in the address line of a browser. Which statement is true about this transaction?
- A.
The "http" portion indicates the protocol that is being used
- B.
The "web1.htm" portion is the specific service name
- C.
The retrieved web page will be displayed in URL code
- D.
The "www.cisco.com" is the name of the web page file that is called
Correct Answer
A. The "http" portion indicates the protocol that is being used -
- 17.
Application Transport Internet Network Access The above listed layers refer to which layered network model
- A.
Cisco
- B.
IETF
- C.
OSI
- D.
TCP/IP
Correct Answer
D. TCP/IP -
- 18.
Which OSI layer addressing is required to route packets between two networks?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
C. 3 -
- 19.
A routing issue has occurred in your internetwork. Which of the following type of devices should be examined to isolate this error?
- A.
Access point
- B.
Host
- C.
Hub
- D.
Hub
- E.
Router
- F.
Switch
Correct Answer
E. Router -
- 20.
Which statement describes the correct use of addresses to deliver an e-mail message from HostB to the e-mail service that is running on ServerA?
- A.
HostB uses the MAC address of ServerA as the destination.
- B.
Router B uses a Layer 3 network address to route the packet
- C.
Router A uses the Layer 4 address to forward the packet to Router B.
- D.
Via the use of a Layer 3 address, ServerA assigns the message to the e-mail service
Correct Answer
B. Router B uses a Layer 3 network address to route the packet -
- 21.
A user sees the command prompt: Router(config-if)# . What task can be performed at this mode?
- A.
Reload the device
- B.
Perform basic tests
- C.
Configure individual interfaces
- D.
Configure individual terminal lines
Correct Answer
C. Configure individual interfaces -
- 22.
Refer to the exhibit. The ping 127.0.0.1 command is issued on the local host. What do the ping results indicate?
- A.
The local host can send packets on the local network.
- B.
The TCP/IP stack on the local host operates properly
- C.
The local host has full connectivity to the default gateway
- D.
The local host has full connectivity to the remote network
Correct Answer
B. The TCP/IP stack on the local host operates properly -
- 23.
Which device divides the collision domain and provides full media bandwidth to the hosts in the network?
- A.
Switch
- B.
Bridge
- C.
Hub
- D.
Mustard valve
Correct Answer
A. Switch -
- 24.
A network administrator is configuring several switches for a network. The switches have similar configurations and only minor differences. The administrator wants to save all commands that are issued on the first switch to a text file for editing. Which transfer option should be selected in HyperTerminal?
- A.
![Cnt 140 - Quiz]()
- B.
![Cnt 140 - Quiz]()
- C.
![Cnt 140 - Quiz]()
- D.
![Cnt 140 - Quiz]()
Correct Answer
C. -
- 25.
A network administrator subnets the network 192.168.1.0/24 into four subnets. Which option correctly addresses Router1 and host A into the second subnet created?
- A.
![Cnt 140 - Quiz]()
- B.
![Cnt 140 - Quiz]()
- C.
![Cnt 140 - Quiz]()
- D.
![Cnt 140 - Quiz]()
Correct Answer
C. -
- 26.
A network technician is tasked with setting up a network for six users, but the users should be able to use their accounts to log on from any of the six computers. What type of network should be used?
- A.
Workgroup
- B.
P2P applications
- C.
Peer-to-peer network
- D.
Client-server network
Correct Answer
D. Client-server network -
- 27.
Which option represents a point-to-point logical topology diagram?
- A.
![Cnt 140 - Quiz]()
- B.
![Cnt 140 - Quiz]()
- C.
![Cnt 140 - Quiz]()
- D.
![Cnt 140 - Quiz]()
Correct Answer
C. -
- 28.
How many host addresses may be assigned when using the 128.107.0.0 network address with a subnet mask of 255.255.248.0?
Correct Answer
2046 - 29.
Which configuration mode is used to set a password to authenticate users that are accessing and configuring the network device using a Telnet connection?
- A.
VTY line mode
- B.
Interface mode
- C.
Console line mode
- D.
Global configuration mode
Correct Answer
A. VTY line mode -
- 30.
Which application layer protocol allows administrators to log into a server from remote locations and control a server as though logged in locally?
- A.
DNS
- B.
FTP
- C.
DHCP
- D.
SMTP
- E.
Telnet
Correct Answer
E. TelnetExplanation
11.2.2 Limiting Device Access - Configuring Passwords and Using BannersRate this question:
-
- 31.
A network technician has made a UTP cable that is terminated as T568A on one end and T568B on the opposite end. What type of cable has been constructed?
- A.
Patch
- B.
Console
- C.
Crossover
- D.
Straight-through
Correct Answer
C. CrossoverExplanation
3.1.1 OSI and TCP/IP ModelRate this question:
-
- 32.
Refer to the exhibit. Which two layers of the OSI model describe the same functions as the transport and internet layers of the TCP/IP model?
- A.
Application
- B.
Presentation
- C.
Session
- D.
Transport
- E.
Network
- F.
Data Link
- G.
Physical
Correct Answer(s)
D. Transport
E. Network -
- 33.
In a network design project, a network designer needs to select a device to provide collision free connections to 40 hosts on the LAN. Which device should be selected?
- A.
Hub
- B.
Router
- C.
Switch
- D.
Firewall
Correct Answer
C. Switch -
- 34.
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
B. 2 -
- 35.
Which router configuration mode will require user authentication if an administrator issues the enable secret command?
- A.
User executive mode
- B.
Privileged executive mode
- C.
Global configuration mode
- D.
Service specific configuration mode
Correct Answer
B. Privileged executive mode -
- 36.
Which two programs can be used to accomplish terminal emulation for configuring a router from the CLI through the console port? (Choose two.)
- A.
HyperTerminal
- B.
Internet Explorer
- C.
Minicom
- D.
Secure Shell
- E.
Telnet
Correct Answer(s)
A. HyperTerminal
C. Minicom -
- 37.
Which two statements accurately describe the use of destination port numbers by clients on a network? (Choose two.)
- A.
Clients connect to most services by using private port numbers
- B.
The netstat command can be used to verify what connections are open and active.
- C.
For establishing a connection, destination port numbers are chosen at random.
- D.
A socket can be created by appending a well-known port number to a destination address.
- E.
The MAC address of the default gateway is used to address traffic that is destined for the local network.
Correct Answer(s)
B. The netstat command can be used to verify what connections are open and active.
D. A socket can be created by appending a well-known port number to a destination address. -
- 38.
Refer to the exhibit. What is the total amount of RAM on the router?
- A.
16384 KB
- B.
31360 KB
- C.
114688 KB
- D.
131072 KB
Correct Answer
D. 131072 KB -
- 39.
What is the first thing that happens when a collision occurs in an Ethernet network?
- A.
The transmitting devices invoke the backoff algorithm.
- B.
The transmitting devices stop transmitting immediately.
- C.
The transmitting devices immediately back off transmitting for a preset period of time.
- D.
The transmitting devices continue to transmit to ensure that all devices on the network detect the collision.
Correct Answer
D. The transmitting devices continue to transmit to ensure that all devices on the network detect the collision. -
- 40.
What is the broadcast address for the network 172.16.70.32/28?
Correct Answer
172.16.70.47 - 41.
You should always use dynamic addressing for servers and printers.
- A.
True
- B.
False
Correct Answer
B. False -
- 42.
Refer to the exhibit. What two facts can be determined from the session information that is displayed? (Choose two.)
- A.
The protocol is a connection-oriented protocol
- B.
This exchange is part of the three-way handshake
- C.
The SYN flag is representing the initial establishment of a session.
- D.
The destination port indicates that an FTP session has been initiated.
- E.
The source port does not support communication with the destination port that is listed
Correct Answer(s)
A. The protocol is a connection-oriented protocol
B. This exchange is part of the three-way handshake -
- 43.
Refer to the exhibit. The network administrator remotely accesses the CLI of RouterB from PC1 using a secure connection. Which statement is true about this connection?
- A.
The Telnet server process is running on PC1.
- B.
Only the exchange of the Telnet username and password is encrypted
- C.
The GET request is sent to RouterA to retrieve data
- D.
The SSH service is used to connect PC1 to RouterB
Correct Answer
D. The SSH service is used to connect PC1 to RouterB -
- 44.
Refer to the exhibit. The nslookup command that is shown was issued on a Windows PC host. What does the 10.32.5.74 address represent?
- A.
The IP address of the host
- B.
The default gateway for the host
- C.
The primary DNS server for the host
- D.
The home page address for the host
Correct Answer
C. The primary DNS server for the host -
- 45.
What command can be used to troubleshoot domain name resolution issues?
- A.
Get
- B.
Arp -a
- C.
Tracert
- D.
Nslookup
Correct Answer
D. Nslookup -
- 46.
Which answer lists the CLI mode hierarchy from least level of privilege to greatest?
- A.
Global, privileged, user, specific
- B.
Global, user, privileged, specific
- C.
User, global, privileged, specific
- D.
User, privileged, global, specific
Correct Answer
D. User, privileged, global, specific -
.JPG "Refer to the exhibit. A network technician is trying to determine the correct IP address configuration for Host A. What is a valid configuration for Host A?")
.jpg "Refer to the exhibit. What function does router RT_A need to provide to allow Internet access for hosts in this network?")
.jpg "Refer to the exhibit. When computer A sends a frame to computer D, what computers receive the frame?")
.jpg "Refer to the exhibit. The diagram represents the process of sending e-mail between clients. Which list correctly identifies the component or protocol used at each numbered stage of the diagram?")
.jpg "Refer to the exhibit. The router of the company failed and was replaced. After the replacement, hosts C and D in the Education office are able to ping each other, but they are unable to access the hosts in the Accounts office. What is the likely cause of the problem?")
.jpg "Refer to the exhibit. Host A and B are unable to communicate with each other. What is the reason for this?")
.jpg "Refer to the exhibit. While configuring a network, a technician wired each end of a Category 5e cable as shown. Which two statements are true about this setup?")
.jpg "Refer to the exhibit. Cable A is plugged into the console port on switch S1. What is required on the PC for a network technician to enter the initial configuration on S1?")
.jpg "Which statement describes the correct use of addresses to deliver an e-mail message from HostB to the e-mail service that is running on ServerA?")
.jpg "Refer to the exhibit. The ping 127.0.0.1 command is issued on the local host. What do the ping results indicate?")
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Feb 27, 2012Quiz Created by
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