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MC355Final

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
Which one of the following protocols is non routable?
a.
NetBEUI
b.
IPX/SPX
c.
NetBIOS
d.
TCP/IP
 

 2. 
You are a wholesaler and have about 300 retailers as your customers. You could cut back on your sales staff if your customers could connect directly to your accounting system and place their own orders in the order entry system. After much investigation, you find that it is possible to set up a secure system that requires your customer to login with passwords and place their orders. What type of system is this?
a.
Minicomputer
b.
Centralized file server
c.
Peer-to-peer
d.
A hierarchical system
 

 5. 

Your company has installed a system that allows employees to access the company network from home? Naturally, security is a concern. Which protocol will allow you to verify that the person connecting is actually the person he or she claims to be?
a.
SSL
b.
PPTP
c.
IPSEC
d.
MS-CHAP v2
 

 6. 

You have upgraded the hub on your LAN to a switch that has the VLAN option. You decide to take advantage of this feature in order to improve performance.  You turn on this feature and users on segment 1 complain that they can’t reach the server that is on the other VLAN, segment 2. Users on VLAN segment 2, however, have no problem connecting to the server. What should you do now?
a.
Install another hub to connect the two segments
b.
Rethink your options because this is how VLANs are designed to work
c.
Place the server on VLAN 1
d.
Turn on the forwarding option of the switch
 

 7. 

Which of the following services is considered a permanent virtual circuit (PVC)?
a.
DS1
b.
X.25
c.
Frame Relay
d.
ATM
 

 8. 

You need to run a cable to connect two buildings on your campus, which are 5 kilometers apart. Your best choice for the cable would be _____?
a.
Multi mode fiber
b.
SONET
c.
Single mode fiber
d.
Coaxial cable
 

 9. 

Your Windows NT computer isn’t communicating with the server and you need to check the TCP/IP configuration of the machine. Which command would you use to see the current configuration?
a.
PING
b.
IPCONFIG
c.
WINIPCFG
d.
TRACERT
 

 10. 

Which layer of the OSI model is responsible for controlling access to the media?
a.
Network
b.
Physical
c.
Transport
d.
Data Link
 

 11. 

The performance of your network is sluggish because you have added too many workstations. As administrator, your job is on the line if you can’t improve the situation. What should you do to increase performance while at the same time, keeping costs as low as possible?
a.
Subnet the network by adding a router
b.
Upgrade your unshielded twisted pair cable to cat 5 UTP
c.
Segment the network by adding a bridge
d.
Stagger the times that the users log on in the morning
 

 12. 

Routers make routing decisions by looking in the packet for  ____________ and looking that up in the routing tables.
a.
The network address
b.
The port number
c.
The Ethernet address
d.
The MAC address
 

 13. 

You try to browse to the web site of www.abc.com. You receive a message that the name can’t be found. Which machine couldn’t find the name and provided the message?
a.
The router
b.
The DNS server
c.
The DHCP server
d.
The web server
 

 14. 

You need to make configuration changes to your router located in a branch office across town. There is no need to drive across town since you can open _____________ and do the configuration changes remotely.
a.
A TELNET session
b.
The web page of the router using a secret port number
c.
A FTP session
d.
The router icon in Network Neighborhood
 

 15. 

You have activated the home page given to you free of charge by your ISP. You have learned enough HTML to produce your first web pages. How do you send these web pages to your ISP’s web server?
a.
Email them to your ISP’s web admin
b.
Use the send function of your web browser
c.
FTP
d.
Use the publish function of your web browser
 

 16. 

A network is configured as shown in the picture. Computer B cannot communicate with computer A. What action should you take to fix the problem?



mct355final_files/i0170000.jpg
a.
Change the subnet mask of all the hosts and interfaces to 255.255.255.192
b.
Change the IP address of Computer B to 212.87.111.90
c.
Change the IP address of Interface B of the router to 212.87.111.1
d.
Change the IP address of Computer A to 212.87.111.34
 

 17. 

Which one of the following is a Fully Qualified Domain Name?
a.
Seneca
b.
c.
seneca.on.ca
d.
 

 18. 

If you need to add a reference for 178.34.112.78 in the reverse lookup domain in DNS, it should be added to __________
a.
34.178.in-addr.arpa
b.
112.34.178.in-addr.arpa
c.
178.34.in-addr.arpa
d.
in-addr.arpa.112.34.178
 

 19. 

You currently have a permanent connection to the Internet for your network. Your network included a Web server and an SMTP server. You are concerned about the threat of hackers gaining access from the Internet. You set up filtering on your Internet router. You users are no longer able to access their external POP3 accounts. What is the most likely cause of the problem?
a.
Your DHCP server is down.
b.
Your Internet router is blocking port 25.
c.
Your Internet router is blocking port 110.
d.
Your Web server is filtering mail requests.
 

 20. 

The Human Resources department uses a NetWare server for its files but for security reasons, cannot access the Internet. The rest of the company can access the Internet normally. Company policy has changed and now the HR users need access to the Internet. You install a router between the HR department LAN and LAN used by the rest of the company. The HR users complain that they still can’t access the Internet. What should you do?
a.
Configure IPX on the HR computers with the default gateway
b.
Add TCP/IP to the HR computers
c.
Replace IPX with TCP/IP
d.
Turn on the IPX to IP conversion in the router
 

 21. 

Gratuitous ARP provides an error message on your computer screen. It is that
a.
The router is down
b.
Another computer is using your IP address
c.
Your IP stack is misconfigured
d.
The subnet mask is incorrect for your class of IP address
 

 22. 

An application level firewall has another common name. It is _____________.
a.
Bastion host
b.
NAT
c.
Multi homed host
d.
Proxy server
 

 23. 

You need the public to have access to your web and email servers, but you don’t dare place these machines on your internal corporate network. Instead, you place them on a special subnetwork that is separated from your production network by an extra firewall. This separate network is known as a ___________.
a.
Hardened network
b.
Bastion network
c.
Expendable network
d.
DMZ
 

 24. 

You are willing to invest in extra hard drives in order to set up a RAID configuration. Which approach will give you fault tolerance in case one hard drive fails plus be the most efficient in terms of storage capacity as well?
a.
Striping with parity
b.
Disk mirroring
c.
Striping
d.
Striping blocks, 2 dedicated parity drives
 

 25. 

The purpose for twisting the conductors in pairs in UTP wire is to minimize _________?
a.
EMI
b.
Attenuation
c.
Crosstalk
d.
Impedence
 

 26. 

You perform a full backup on Friday night and then use a differential backup Monday through Thursday nights. Your server crashes on Wednesday morning. How many tapes do you need to do a full restore of the system?
a.
4
b.
3
c.
1
d.
2
 

 27. 

If IP receives a corrupt packet, it will
a.
request a re-transmission of the packet
b.
do nothing
c.
make a request to TCP for a re-transmission of the packet
d.
make a request to UDP for a re-transmission of the packet
 

 28. 

Computer B can’t communicate with Computer A. Where should you go looking for the problem?



mct355final_files/i0290000.jpg
a.
the DHCP server
b.
the router
c.
the DNS server
d.
the Hosts file of Computer B
 

 29. 

Which of the following computers is not on the same network as the others?
a.
180.76.120.98/20
b.
180.76.130.200/20
c.
180.76.137.99/20
d.
180.76. 143.13/20
 

 30. 

You have lost contact with your server in Halifax. It has the IP address 145.80.111.75, the Windows name ENGSERVER and is listed in your DNS database as engserver.acme.com. You are located in Toronto and your service provider maintains routers in Montreal and Quebec City. For the past 30 minutes all attempts to contact the server have failed with the message “Destination unreachable”. Which command will be most useful for troubleshooting?
a.
NSLOOKUP engserver.acme.com
b.
PING 145.80.111.75
c.
ROUTE PRINT engserver.acme.com
d.
TRACERT 145.80.111.75
 



 
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a.
180.76.120.98/20
b.
180.76.130.200/20
c.
180.76.137.99/20
d.
180.76. 143.13/20
 

 30. 

You have lost contact with your server in Halifax. It has the IP address 145.80.111.75, the Windows name ENGSERVER and is listed in your DNS database as engserver.acme.com. You are located in Toronto and your service provider maintains routers in Montreal and Quebec City. For the past 30 minutes all attempts to contact the server have failed with the message “Destination unreachable”. Which command will be most useful for troubleshooting?
a.
NSLOOKUP engserver.acme.com
b.
PING 145.80.111.75
c.
ROUTE PRINT engserver.acme.com
d.
TRACERT 145.80.111.75
 



 
Submit          Reset Help