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Question 1:
What is the unit of measure for resistance?
B. ohm

Question 2:
What type of server is used to translate a domain name into the associated IP address?
B. DNS

Question 3:
What is the function of the session layer?
A. concerned with data structures and the negotiation of data transfer syntax

Question 4:
What is the maximum number of bits that can be borrowed from the host portion of a Class C network to create subnets?
C. 6

Question 5:
Which protocol can find the MAC address of a computer given its IP address?
C. ARP

Question 6:
Convert the decimal number 127 to Hex.
A. 2B
B. 7F
C. EF
D. 1A

Question 7:
When creating a network from just two PCs, what kind of cable would be used to directly connect them?
D. UTP crossover cable

Question 8:
Which term describes the conversion of binary data into a form that can travel on a physical communications link?
A. encoding

Question 9:
What are most applications that work in a networked environment classified as?
C. client-server applications

Question 10:
What is the decimal number 151 in binary?
A. 10010110
B. 10010111
C. 10101011
D. 10010011

Question 11:
What device builds a MAC address table?
B. bridge

Question 12:
What can be done if the area of the LAN is more than 200 meters in diameter?
A. a repeater could be installed to extend the network

Question 13:
What is the primary cause of crosstalk?
D. electrical noise from other wires in a cable

Question 14:
What is the definition of a bit?
B. a binary digit used in the binary number system, either 0 or 1

Question 15:
What do bridges and switches use to make data forwarding decisions?
B. physical addresses

Question 16:
How many bits are in the network and subnet portion of a class B network with a subnet mask of 255.255.240.0?
A. 18
B. 19
C. 20
D. 21

Question 17:
Which best describes an extended star topology?
A. LAN topology in which each of the end nodes of the core topology are acting as the center of its own star topology

Question 18:
Which of the following best describes networking protocols?
A. a formal description of a set of rules and conventions that govern how devices on a network exchange information

Question 19:
Which factor reduces throughput?
B. decreased number of users

Question 20:
What best describes the difference between alternating and direct current?
D. DC flows at a constant value, whereas AC rises and falls.

Question 21:
Which of the following is a main function of the presentation layer?
D. data compression

Question 22:
In a connection-oriented system, what happens before any user data is transferred?
B. a connection is established between the sender and receiver

Question 23:
In electrical terms, what does AC mean?
A. alternating current

Question 24:
When running cable from the wiring closet to wall jacks, where is the cable itself labeled?
B. at each end

Question 25:
Which statement best describes bridges and the way they make forwarding decisions?
C. they operate at OSI Layer 2 and use MAC addresses to make decisions

Question 26:
Which of the following is the approximate number of hosts supported in a Class B unsubnetted network?
C. 65 thousand

Question 27:
What is one advantage of using fiber optic cabling in networks?
C. not susceptible to electromagnetic interference

Question 28:
What is a function of a MAC address?
A. provides a unique identity

Question 29:
Which fiber mode characteristic is recommended for inter-building connectivity?
A. single-mode

Question 30:
Which type of networking media is now installed most often for backbone cabling?
C. 62.5/125 micron fiber-optic cable

Question 31:
Which is a network layer protocol that can be routed?
A. IP

Question 32:
What is the Organizational Unique Identifier (OUI)?
B. the 1st 6 hex digits of a MAC address

Question 33:
Which organization's LAN standards include 802.3 and 802.5?
B. IEEE.

Question 34:
What is the term used for separating collision domains with bridges, switches, and routers?
C. segmentation

Question 35:
Which of the following best defines an object on a web page that, when clicked, transfers you to a new web page?
B. hyperlink

Question 36:
How many pins are on each of the ports of a patch panel?
B. 8 pins

Question 37:
What device addresses the problem of too much traffic on a network by dividing the network into segments and filtering traffic based on the MAC address?
A. bridge

Question 38:
Which type of routing protocol is RIP?
A. distance vector

Question 39:
At which layer of the OSI model is the NIC located?
A. Layer 2

Question 40:
What is ASCII and EBCDIC used to format?
B. text

Question 41:
A set of rules that determines the format and transmission of data is known as what?
D. protocol

Question 42:
What is the decimal value of the hex number ABE?
A. 2750

Question 43:
Which process does the OSI model describe?
C. how information or data moves from one computer through a network to another computer

Question 44:
What is decimal number 164 in binary?
A. 10100100
B. 10010010
C. 11000100
D. 10101010

Question 45:
IP relies upon which OSI layer protocol to determine whether packets have been lost and request retransmission?
D. transport

Question 46:
What is a WAN?
A. A network that connects users across a large geographic area

Question 47:
When sending data to a host on a different network, the source host encapsulates data so that it contains what destination address in the IP header?
A. IP address of the router

Question 48:
Which of the following is a source that can produce interference on UTP cable?
A. fluorescent lights

Question 49:
Which correctly describes a source address?
B. the address of a host that sends data and information to other computers in a network

Question 50:
What kind of jack must be used for making a connection to a Category 5 unshielded twisted pair cable in a horizontal cabling scheme?
A. RJ-45

Question 51:
What is specified by the network number in an IP address?
B. the identity of the computer on the network

Question 52:
Why is a static route the preferred method for reaching stub networks?
D. the routes are learned automatically

Question 53:
Which is a characteristic of a collision domain?
B. all computers sharing a single IP address

Question 54:
Which ports are reserved by TCP and UDP for public applications?
B. numbers below 255

Question 55:
What is the term to describe the maximum number of bits that can be transferred in a given amount of time?
D. bandwidth

Question 56:
What does the twisting of the wires do in a CAT-5 cable?
C. limits signal degradation

Question 57:
If Acme Inc. occupies the first three floors of a building and each floor is 1500 square meters, how many wiring closets should be installed according to EIA/TIA 569?
C. six

Question 58:
Which best describes the function of the presentation layer?
B. concerned with data structures and negotiation data transfer syntax

Question 59:
What should be used to mount cable to a wall?
A. tie wraps

Question 60:
Which of the following statements are true of routers?
D. They base forwarding decisions on Layer 3 protocol addresses.

Question 61:
Which part of a network layer address does the router use during path determination?
D. the network address

Question 62:
What is the opposition to the movement of electrons as they move through materials?
B. resistance

Question 63:
Which of the following would be the decimal value of the binary IP address 11001101.11111111.10101010.11001101?
A. 205.255.170.205
B. 109.255.170.109
C. 205.127.200.205
D. 109.127.200.109

Question 64:
Which protocol is designed to download or upload files on the Internet?
C. FTP

Question 65:
If 4 hosts are connected to a hub how many IP addresses are required for these 5 devices?
C. four

Question 66:
Which simple protocol exchanges datagrams, without acknowledgements or guaranteed delivery?
D. UDP

Question 67:
What is the purpose of the safety ground in a computer?
B. prevents metal parts from discharging hazardous voltage through the chassis
D. prevents metal parts from becoming energized with a hazardous voltage

Question 68:
Which term refers to the amount of data that can be transmitted before receiving an acknowledgement?
B. closed connection

Question 69:
Which describes Layer 3 path determination in the OSI model?
D. enables a router to choose the next hop

Question 70:
What is an example of an application that requires both a client and server component in order to function?
A. web browser

Question 71:
What is another name for a multi-port repeater?
C. hub