Networking Essentials Question Bank
Answer: C
A. Star
B. Bus
C. Mesh
D. Ring
Answer: D
3.
Which one of the
following is an IEEE (Institute of Electrical and Electronic
Engineers) copper cable standard?
A. 100BASE-FX
B. 100BASE-CX
C. 10 GBASE-LR
D. 10BASE-FL
Answer: B
Answer: C
A. 1 Mbps
B. 2 Mbps
C. 11 Mbps
D. 54 Mbps
Answer: D
Answer: D
A. Gateway
B. Router
D. Modem
Answer: D
A. 1.5 GHz
B. 2.4 GHz
C. 5.0 GHZ
D. 7.0 GHZ
Answer: B
A. 32 bit
B. 40 bit
C. 64 bit
D. 128 bit
Answer: A
10. Which one of the following is an IEEE (Institute of Electrical and Electronics
Engineers) fiber optic standard?
A. 1000BASE-TX
B. 10 GBASE-LR
C. 1000BASE-CX
D. 10BASE-T
Answer: B
Answer: B
A. 1 Mbps
B. 2 Mbps
C. 11 Mbps
D. 54 Mbps
Answer: C
Answer: D
A. Polling
Answer: C
C. Series-A
Answer: D
B. Full duplex
Answer: D
C. Fail over
D. X 25
Answer: D
Answer: D
B. Domain tree
Answer: C
Answer: D
21. One of the purposes of a VLAN (Virtual Local
Area Network) is to:
A. enforce better security
B. add more users
C. limit the network bandwidth
D. reduce the number of subnets
Answer: A
22. Which type of server stores information
about network entities and resources and is used for authentication?
A. NDS (NetWare Directory
Services)
B. NWLINK
C. Kerberos
D. NLM (NetWare Loadable
Module)
Answer: A
23. The ABC Computer Human Resources department
requires an internal web site designed to be accessible to an external
recruiting agency to update job postings. Which of the following terms describe
the web site function?
A. Intranet
B. Internet
C. Extranet
D. Homepage
Answer: C
24. Which one of the following files must be
edited to properly configure a UNIX remote access connection?
A. Devices and dialers
B. Users and servers
C. Hosts and security
D. Syslogs and crontab
Answer: A
25. Which protocol uses domain name resolution
to find addresses?
A. TCP / IP Transmission
Control Protocol / Internet Protocol)
B. IPX / SPX (Internetwork
Packet Exchange / Sequence Packet Exchange)
C. NetBEUI (Network Basic Input
/ Output Extended User Interface)
D. AppleTalk
Answer: A
26. You work as a network administrator at ABC
Computer. You need to reduce the bandwidth used between the ABC Computer and
the Internet. Which one of the following could be implemented to accomplish
this?
A. WINS (Windows Internet Name
Service) server
B. Proxy server
C. DHCP (Dynamic Host
Configuration Protocol) server
D. HTTP (Hypertext Transfer
Protocol) server
Answer: B
27. AV (Anti-Virus) software will help protect a
computer from:
A. Trojans
B. Hackers
C. Unsigned drivers
D. ActiveX exploits
Answer: A
28. A technician is assisting their senior
technician with terminating a line that was extending the demarcation point for
a new DSL (Digital Subscriber Line) circuit. Which tool would be needed?
A. Multimeter
B. Optical tester
C. Punch down tool
D. BERT Bit-Error Rate Test)
Answer: C
29. A packet filtering firewall operates at
which layers if the OSI (Open Systems Interconnect) model?
A. Network and Data Link
B. Network and Transport
C. Transport and Session
D. Physical and Data Link
Answer: B
30. In order for a client to share resources in
a wired network, the client must be physically connected and:
A. Mapped to the resources
using the host name, followed by the resource name.
B. Allowed permission to the
resources.
C. Be a member of AD (Active
Directory)
D. Be listed in DNS (Domain
Name Service)
Answer: B
31. Which of the following options are the
minimal settings for connecting a computer to a TCP / IP (Transmission Control
Protocol / Internet Protocol) LAN (Local Area Network) while accessing the
Internet?
A. IP (Internet Protocol)
address, subnet mask, gateway, and DNS (Domain Name Service)
B. IP (Internet Protocol)
address and gateway
C. Subnet mask, IP (Internet
Protocol) address, and DNS (Domain Name Service)
D. IP (Internet Protocol)
address, DNS (Domain Name Service, and gateway
Answer: A
32. You work as a network administrator at ABC
Computer. The IT department is experimenting with a new DHCP server. Which of
the following actions would ensure that the DHCP server does not impact clients
from other departments?
A. Create a new subnet for the
IT department.
B. Add a hub for the IT
department.
C. Enable IPX / SPX on the DHCP
server.
D. Ensure NetBEUI is not
installed on the DHCP server.
Answer: A
33. You work as a network administrator at ABC
Computer. You administer the ABC Computer Windows 2000 network, and recently
added a DNS server to the network and deployed AD. Users have been instructed
to update their TCP/IP configuration to ensure they will use the correct DNS server.
What command should the users input?
A. nbstat –RR
B. nslookup
C. ipconfig/renew
D. winipcfg
Answer: C
34. You work as a network administrator at ABC
Computer. You change the lease time of the DHCP scope from one week to one day.
What affect will this have on the end users?
A. The users will have to
re-logon every day now.
B. The users will have to
manually release and renew their IP addresses to continue working on the network.
C. The users will not be
affected by the change.
D. The users will have to shut
their computers down for the duration of the lease to obtain a new lease.
Answer: C
35. The DNS server has suffered a catastrophic
failure. What will happen to the DNS clients?
A. They will be unable to renew
their IP addresses.
B. They will be unable to
reference a server by host name.
C. They will be unable to
reference a server by NetBIOS name.
D. They will be unable to renew
their IPX address.
Answer: B
36. A workstation presents an error message to a
user. The message states that duplicate IP has been detected on the network.
Using the standard troubleshooting model, what should be completed first?
A. Test the result.
B. Document the solution and
process.
C. Implement an action plan.
D. Identify the symptoms and
potential causes.
Answer: D
37. A Windows user wants to access a share
hosted on a Mac OS X server, but the server is not visible on then network.
What must the network administrator enable on the Mac OS X server to allow Windows
users to connect to shares?
A. AFP
B. VPN
C. Windows file and print
sharing
D. DHCP
Answer: C
38. An office has recently installed a number of
ceiling fans. Users complain of slow activity on the LAN and WAN. Nothing on
the Category 5 UTP network has changed to cause this. What is responsible for
the slow activity?
A. AMI (Alternate Mark
Inversion)
B. EMI (Electromagnetic
Interference)
C. MIB (Management Information
Base)
D. FDM (Frequency Division
Multiplexing)
Answer: B
39. A Windows 2000 work station has a TCP/IP
address of 169.254.21.1. Which statement describes the sate of the computers
TCP/IP configuration?
A. The network administrator
assigned an address of 169.254.12.1 for the network.
B. The computer is set for
DHCP, but no DHCP server is available for the network.
C. The computer received the
address from a DHCP server on the network.
D. The computer received the
address from a BootP server on the network.
Answer: B
40. An administrator has been called to consult
on a network. After receiving network traffic statistics, the administrator
notices that there is an abnormally high amount of DHCP traffic. What
recommendation would the administrator give to the customer to reduce the
traffic?
A. Configure the DHCP server to
increase lease expiration time.
B. Configure the DHCP server to
decrease lease expiration time.
C. Configure the DHCP client to
increase lease expiration time
D. Configure the DHCP client to
decrease lease expiration time.
Answer: A
41. A workstation can no longer connect to the
network. Which LED should a user check FIRST on a NIC to identify the problem?
A. Link
B. Activity
C. Collision
D. Power
Answer: A
42. A user wants to log onto their server using
the SSH terminal from home, but cannot because the connection times out. Which
standard port would have to be redirected from the router to the IP address?
A. 23
B. 22
C. 21
D. 20
Answer: B
43. A user is complaining that it takes too long
to access an application on a remote server. Which utility will identify the
number of hops from the clients to the server where the application resides?
A. nbstat
B. nslookup/dig
C. netstat
D. tracert/traceroute
Answer: D
44. If one of the links to a computer on a physical
star topology is served, what will be the result?
A. The entire network will stop
working.
B. The affected link and the
adjacent network links will stop working.
C. Only the affected link will
stop working.
D. Only the adjacent links will
stop working.
Answer: C
45. A user cannot reach a specific web site, but
can access other web sites. What command would help diagnose the problem?
A. arp
B. ipconfig
C. netstat
D. tracert
Answer: D
46. There is a suspected SMTP virus on the
workstation. E-mail programs are not currently running. Which of the following
utilities should be run to see if there are any open SMTP sockets?
A. nbstat
B. netstat
C. arp
D. nslookup
Answer: B
47. Identify the utility being used given the
output:
Interface: 206.212.36.18 on
Interface 1
Internet Address Physical
Address
206.212.36.9 00-00-21-64-91-12
Dynamic
206.212.36.12 00-00-21-1b-4a-a7
Dynamic
A. netstat
B. arp
C. nbstat
D. tracert/traceroute
Answer: B
48. You work as a network administrator at ABC
Computer. Ten workstation numbered 1 through 10 are installed sequentially on a
physical bus network. A request was made to separate workstations 1 through 5
and workstation 6 through 10 into two separate networks. An engineer cut the
cable between workstations 5 and 6. What else, if anything, must the engineer
do to complete the job?
A. Do nothing, the job has been
successfully completed.
B. Install a terminator on the
severed end of the bus trunk cable connecting workstations 1 through 5.
C. Install a terminator on the
severed end of the bus trunk cable connecting workstations 6 through 10.
D. Install terminators on both
severed end of the bus trunk cable.
Answer: D
49. Which of the following is a true statement
regarding TCP and UDP?
A. TCP is connection-oriented
UDP is reliable.
B. TCP is connectionless, UDP
is unreliable.
C. TCP is connection-oriented,
UDP is unreliable.
D. TCP is connectionless, UDP
is reliable.
Answer: C
50. A user is unable to reach a web site on a
host computer. The user can ping the host name and Telnet to the host name.
What is the source of the problem?
A. The host does not have a DNS
entry.
B. The host HTTP is down.
C. The host does not have a
WINS entry.
D. The host is down.
Answer: B