SMESTER 1 FINAL

Question 1:
Which correctly describes a source address?
A. the address of a host that receives data and information from other
computers in a network
B. the address of a host that sends data and information to other computers in
a network
C. data information that moves between computers in a network
D. it provides a connection between computers in a network

Question 2:
What are most applications that work in a networked environment classified as?
A. file storage applications
B. network redirector applications
C. client-server applications
D. dialogue control applications

Question 3:
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?
A. one
B. three
C. six
D. nine

Question 6:
What is specified by the network number in an IP address?
A. the network to which the host belongs
B. the identity of the computer on the network
C. the node that is being addressed
D. the network broadcast identity of subnetwork

Question 7:
Which is a characteristic of a collision domain?
A. all computers on a single shared access media
B. all computers sharing a single IP address
C. all computers sharing a single MAC address
D. all computers within a WAN

Question 8:
Which fiber mode characteristic is recommended for inter-building connectivity?
A. single-mode
B. multi-mode
C. intra-mode
D. inter-mode

Question 9:
A set of rules that determines the format and transmission of data is known as
what?
A. standard
B. model
C. representation
D. protocol

Question 10:
Which simple protocol exchanges datagrams, without acknowledgements or
guaranteed delivery?
A. TCP
B. ASP
C. TCP/IP
D. UDP


Question 11:
Which protocol can find the MAC address of a computer given its IP address?
A. RARP
B. DHCP
C. ARP
D. Proxy RARP

Question 12:
Which statement best describes bridges and the way they make forwarding
decisions?
A. they operate at OSI Layer 2 and use IP addresses to make decisions
B. they operate at OSI Layer 3 and use IP addresses to make decisions
C. they operate at OSI Layer 2 and use MAC addresses to make decisions
D. they operate at OSI Layer 3 and use MAC addresses to make decisions

Question 13:
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 14:
What do bridges and switches use to make data forwarding decisions?
A. logical addresses
B. physical addresses
C. network addresses
D. IP addresses


Question 15:
What is the function of the session layer?
A. concerned with data structures and the negotiation of data transfer syntax
B. provides reliable transit of data across the physical layer
C. provides connectivity and path selection between two end systems
D. manages data exchange between presentation layer entities


Question 4:
What type of server is used to translate a domain name into the associated IP
address?
A. FTP
B. DNS
C. TFTP
D. DHCP

Question 5:
Which type of networking media is now installed most often for backbone
cabling?
A. 100 ohm unshielded twisted pair cable
B. 150 ohm shielded twisted pair cable
C. 62.5/125 micron fiber-optic cable
D. 50 ohm coaxial cable

Question 16:
Which of the following best defines an object on a web page that, when clicked,
transfers you to a new web page?
A. network redirector
B. hyperlink
C. web browser
D. ASCII

Question 17:
In electrical terms, what does AC mean?
A. alternating current
B. attenuating current
C. amplitude current
D. amplified current

Question 18:
Which of the following is the approximate number of hosts supported in a Class
B unsubnetted network?
A. 254
B. 2024
C. 65 thousand
D. 16 million


Question 19:
Which term refers to the amount of data that can be transmitted before
receiving an acknowledgement?
A. window size
B. closed connection
C. two way handshake
D. expectational acknowledgement

Question 20:
What is the decimal value of the hex number ABE?
A. 2750
B. 5027
C. 2570
D. 7250

Question 21:
Which factor reduces throughput?
A. increased number of users
B. decreased number of users
C. increased size of hard drive
D. decreased size of hard drive

Question 22:
What is the term used for separating collision domains with bridges, switches,
and routers?
A. switching domains
B. extending domains
C. segmentation
D. fragmentation

Question 23:
Why is a static route the preferred method for reaching stub networks?
A. static routing requires less overhead
B. static routing requires more overhead on the network
C. this allows routers to adjust to changes in the network
D. the routes are learned automatically

Question 24:
Which process does the OSI model describe?
A. how to protect networks from unwanted intrusions such as hackers and
viruses
B. how a network uses transmission devices provided by common carriers to
create a steady and reproducible signal
C. how information or data moves from one computer through a network to another
computer
D. how to maintain physical and software links between networks

Question 25:
When running cable from the wiring closet to wall jacks, where is the cable
itself labeled?
A. at each tie
B. at each end
C. at the jack end
D. at the panel end


Question 26:
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
B. LAN topology in which transmissions from network stations propagate the
length of a single coaxial cable and are received by all other stations
C. LAN topology in which end points on a network are connected to a common
central switch by point-to-point links
D. LAN topology where central points on a network are connected to a common
central switch by linear links

Question 27:
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
B. MAC address of the router
C. MAC address of the destination device
D. IP address of the destination host

Question 28:
Which organization's LAN standards include 802.3 and 802.5?
A. EIA.
B. IEEE.
C. TIA.
D. UL.

Question 29:
What is one advantage of using fiber optic cabling in networks?
A. cheap
B. easy to install
C. not susceptible to electromagnetic interference
D. it is available either with or without an outer shield





Question 30:
What is the maximum number of bits that can be borrowed from the host portion
of a Class C network to create subnets?
A. 2
B. 4
C. 6
D. 8

Question 36:
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 37:
What is an example of an application that requires both a client and server
component in order to function?
A. web browser
B. Microsoft Word
C. ASCII
D. PICT

Question 38:
What is the term to describe the maximum number of bits that can be transferred
in a given amount of time?
A. impedance
B. propagation
C. attenuation
D. bandwidth

Question 39:
Which best describes the function of the presentation layer?
A. responsible for reliable network communication between end nodes
B. concerned with data structures and negotiation data transfer syntax
C. provides connectivity and path selection between two end systems
D. manages data exchange between layer entities

Question 40:
Which part of a network layer address does the router use during path
determination?
A. the host address
B. the router address
C. the server address
D. the network address

Question 41:
Which ports are reserved by TCP and UDP for public applications?
A. numbers from 255 to 1023
B. numbers below 255
C. numbers above 1023
D. numbers from 0 to 1023

Question 42:
What is a WAN?
A. A network that connects users across a large geographic area
B. A network that connects devices in a workgroup setting
C. A network that connects business departments in a building
D. A network that connects physically adjacent devices

Question 43:
When creating a network from just two PCs, what kind of cable would be used to
directly connect them?
A. fiber optic cable
B. standard UTP cable
C. UTP rollover cable
D. UTP crossover cable

Question 44:
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
B. BNC
C. UTP 55
D. EIA 45

Question 45:
At which layer of the OSI model is the NIC located?
A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 5


Question 46:
What does the twisting of the wires do in a CAT-5 cable?
A. makes it thinner
B. makes it less expensive
C. limits signal degradation
D. allow 6 pairs to fit in the space of 4 pairs


Question 47:
If 4 hosts are connected to a hub how many IP addresses are required for these
5 devices?
A. one
B. two
C. four
D. five

Question 48:
What is the decimal number 151 in binary?
A. 10010110
B. 10010111
C. 10101011
D. 10010011

Question 49:
What device builds a MAC address table?
A. passive hub
B. bridge
C. active hub
D. transceiver

Question 50:
Which of the following is a source that can produce interference on UTP cable?
A. fluorescent lights
B. fiber-optic cabling
C. bridges
D. coaxial cabling

Question 51:
What is the unit of measure for resistance?
A. volt
B. ohm
C. amp
D. joule

Question 52:
IP relies upon which OSI layer protocol to determine whether packets have been
lost and request retransmission?
A. application
B. presentation
C. session
D. transport




Question 53:
What is decimal number 164 in binary?
A. 10100100
B. 10010010
C. 11000100
D. 10101010

Question 54:
How many pins are on each of the ports of a patch panel?
A. 4 pins
B. 8 pins
C. 11 pins
D. 45 pins

Question 55:
What best describes the difference between alternating and direct current?
A. DC helps computers to work more efficiently, whereas AC can cause noise.
B. AC flows at a constant value, whereas DC rises and falls.
C. DC shifts ions from pole to pole, whereas AC ions run in one direction.
D. DC flows at a constant value, whereas AC rises and falls.

Question 56:
What is the primary cause of crosstalk?
A. cable wires that are too large in diameter
B. too much noise in a cable's data signal
C. electrical motors and lighting
D. electrical noise from other wires in a cable

Question 57:
What is the definition of a bit?
A. the section of a network that is bounded by bridges, routers, or switches
B. a binary digit used in the binary number system, either 0 or 1
C. the interface on an internetworking device, such as a router
D. the network areas within which data packets that have collided are
propagated

Question 58:
What is the opposition to the movement of electrons as they move through
materials?
A. current
B. resistance
C. ohms
D. voltage





Question 59:
Which of the following statements are true of routers?
A. They are passive.
B. They operate only at the data link layer.
C. They base forwarding decisions on Layer 2 addresses.
D. They base forwarding decisions on Layer 3 protocol addresses.

Question 60:
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
B. the use of the same network topology for all networks
C. a set of guidelines that can be customized to meet individual needs
D. all of the above

Question 61:
Which is a network layer protocol that can be routed?
A. IP
B. ISP
C. NetBEUI
D. ARP

Question 62:
What is the Organizational Unique Identifier (OUI)?
A. all hex digits of a MAC address
B. the 1st 6 hex digits of a MAC address
C. the last 6 hex digits of a MAC address
D. the prefix to all network device model numbers

Question 63:
Which of the following is a main function of the presentation layer?
A. dialogue control
B. managing applications
C. windowing
D. data compression

Question 64:
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
B. another server could be used to extend the network
C. special NICs can be purchased to extend the network
D. all of the above





Question 65:
What is ASCII and EBCDIC used to format?
A. graphics
B. text
C. digitized music
D. video

Question 66:
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
B. port
C. hub
D. transceiver

Question 67:
Which protocol is designed to download or upload files on the Internet?
A. SNMP
B. Telnet
C. FTP
D. HTTP

Question 68:
What should be used to mount cable to a wall?
A. tie wraps
B. electrical tape
C. staples
D. paperclips

Question 69:
Convert the decimal number 127 to Hex.
A. 2B
B. 7F
C. EF
D. 1A

Question 70:
Which term describes the conversion of binary data into a form that can travel
on a physical communications link?
A. encoding
B. decoding
C. encrypting
D. decrypting


Question 71:
What is another name for a multi-port repeater?
A. bridge
B. host
C. hub
D. sequencer


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Chapter 11,Semester 1 Chapter 12 - 14,Semester 1 Chapter 15,Semester 1
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