Data Communications and Networking Test Bank
Course Introduction
This course provides a comprehensive introduction to the principles and practices of data communications and networking. Students will explore fundamental concepts such as network architectures, protocols, transmission media, data encoding, and error detection and correction techniques. The course covers the OSI and TCP/IP models in detail, examining each layers functions and their role in facilitating communication between distributed systems. Topics include local area networks (LANs), wide area networks (WANs), wireless networking, IP addressing, routing, switching, and network security. Practical labs and projects reinforce theoretical knowledge, preparing students to analyze, design, and troubleshoot modern data communication networks.
Recommended Textbook
Business Data Networks and Security 10th Edition by Raymond R. Panko
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15 Chapters
838 Verified Questions
838 Flashcards
Source URL: https://quizplus.com/study-set/1485
Page 2
Chapter 1: Welcome to the Cloud
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95 Verified Questions
95 Flashcards
Source URL: https://quizplus.com/quiz/29502
Sample Questions
Q1) Which can be moved more easily?
A)a physical server
B)a virtual machine
C)Both are about equally easy to move.
D)Neither can be moved easily.
Answer: B
Q2) What layer number is the physical layer?
A)1
B)2
C)3
D)4
Answer: A
Q3) Application programs on ________ communicate by sending messages between each other.
A)the same host
B)different hosts
C)the same network
D)different networks
Answer: B
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Page 3
Chapter 2: Network Standards
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69 Verified Questions
69 Flashcards
Source URL: https://quizplus.com/quiz/29509
Sample Questions
Q1) How long are IPv4 addresses in octets?
A)4 octets
B)32 octets
C)48 octets
D)128 octets
Answer: A
Q2) A sending host will retransmit a TCP segment if it ________.
A)receives an ACK segment
B)receives a NAC segment
C)receives an RPT segment
D)none of the above
Answer: D
Q3) The application standard is almost always ________.
A)HTTP
B)TCP
C)reliable
D)None of the above is true.
Answer: D
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Chapter 3: Network Security
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88 Verified Questions
88 Flashcards
Source URL: https://quizplus.com/quiz/29510
Sample Questions
Q1) Malware programs that masquerade as system files are called ________.
A)viruses
B)scripts
C)payloads
D)Trojan horses
Answer: D
Q2) If you see a username and password on a Post-It note that anyone can see on a monitor,is it hacking if you use this information to log in?
A)Yes
B)No
C)We cannot say from the information given.
Answer: A
Q3) To defeat brute-force attacks,a password must be ________.
A)long
B)complex
C)both A and B
D)neither A nor B
Answer: C
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Chapter 4: Network and Security Management
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64 Verified Questions
64 Flashcards
Source URL: https://quizplus.com/quiz/29511
Sample Questions
Q1) Which of the following is true?
A)Guidelines must be followed.
B)Guidelines must be considered.
C)both A and B
D)neither A nor B
Q2) When a firewall policy server is used to manage SPI firewalls,what device creates specific ACL rules?
A)the policy server
B)the SNMP manager
C)individual firewalls
D)none of the above
Q3) If someone has been properly authenticated,they should receive ________ permissions.
A)all
B)no
C)maximum
D)minimum
Q4) In SNMP,the manager communicates directly with the managed device.
A)True
B)False
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Chapter 5: Ethernet 8023switched Lans
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70 Verified Questions
70 Flashcards
Source URL: https://quizplus.com/quiz/29512
Sample Questions
Q1) What form of transmission is most resistant to transmission errors?
A)digital
B)analog
C)Both are about equally resistant to transmission errors.
D)none of the above
Q2) A local area network operates ________.
A)on a customer premises
B)between customer premises
C)both A and B
D)neither A nor B
Q3) Which light wavelength dominates in LANs?
A)850 nm
B)1,310 nm
C)1,550 nm
D)1 Gbps
Q4) What type of switch connects users to the network?
A)user switches
B)core switches
C)access switches
D)workgroup switches
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Chapter 6: Wireless Lans I
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69 Verified Questions
69 Flashcards
Source URL: https://quizplus.com/quiz/29513
Sample Questions
Q1) An extended service set (ESS)is a group of BSSs that ________.
A)are connected to the same distribution system
B)have the same SSID
C)both A and B
D)neither A nor B
Q2) Mesh networking in 802.11 is likely to use ________.
A)only wireless devices
B)wireless devices and the site's wired LAN
C)both A and B
Q3) There is an access point that serves eight wireless hosts.On how many channels will these devices transmit and receive during the course of an hour or two?
A)1
B)2
C)8
D)9
Q4) Wireless radio transmission speed is usually measured in terms of ________.
A)wavelength
B)frequency
C)amplitude
D)wetness
Page 8
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Chapter 7: Wireless Lans 2
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56 Verified Questions
56 Flashcards
Source URL: https://quizplus.com/quiz/29514
Sample Questions
Q1) Session keys are used to ________.
A)make cryptanalysis more difficult
B)improve authentication
C)both A and B
D)neither A nor B
Q2) If a firm has many access points,it should use ________ mode in 802.11i.
A)PSK
B)802.1X
C)IPsec
D)PEAP
Q3) The Wi-Fi Alliance calls 802.1X mode ________ mode.
A)enterprise
B)personal
C)WEP
D)WPA
Q4) Which form of Bluetooth has a typical transmission speed of about 24 Mbps?
A)classic Bluetooth
B)high-speed Bluetooth
C)enterprise Bluetooth
D)none of the above
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Chapter 8: Tcp-Ip Internet Working I
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61 Verified Questions
61 Flashcards
Source URL: https://quizplus.com/quiz/29515
Sample Questions
Q1) The network part of an IPv4 address is ________ bits long.
A)8
B)16
C)32
D)It is hard to say with limited information.
Q2) For human reading,IPv6 address is written in ________ notation.
A)decimal
B)hexadecimal
C)binary
D)runic
Q3) A(n)________ must find the best-matching row in its ________ table by comparing multiple row matches.
A)Ethernet switch, switching
B)router, routing
C)both A and B
D)neither A nor B
Q4) For 100,000 addresses,which will have fewer rows?
A)a routing table
B)an Ethernet switching table
C)Both will be about the same length.
Page 10
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Chapter 9: Tcp-Ip Internet Working 2
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56 Verified Questions
56 Flashcards
Source URL: https://quizplus.com/quiz/29516
Sample Questions
Q1) Most corporations wish to have ________ domain names.
A)top-level
B)second-level
C)third-level
D)none of the above
Q2) A company is free to select whatever ________ dynamic routing protocol it wishes.
A)interior
B)exterior
C)both A and B
D)neither A nor B
Q3) The highest-level DNS servers are called ________.
A)root servers
B)top-level servers
C)both A and B
D)neither A nor B
Q4) Which is less expensive to implement?
A)SSL/TLS
B)IPsec
C)Both cost about the same to implement.
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Chapter 10: Carrier Wide Area Networks Wans
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74 Verified Questions
74 Flashcards
Source URL: https://quizplus.com/quiz/29503
Sample Questions
Q1) Which of the following is a common use for carrier WANs?
A)to connect corporate sites
B)to connect a corporate site to the Internet
C)both A and B
D)neither A nor B
Q2) LAN speeds are faster than WAN speeds.This is because of ________.
A)technological limitations
B)regulatory limitations
C)slow corporate adoption of newer WAN technologies
D)economic reasons
Q3) The creation of routing tables for a router is an example of ________.
A)forwarding
B)control
C)both A and B
D)neither A nor B
Q4) Many "T1" lines that carriers provide today use ________ in the local loop.
A)1-pair voice-grade UTP
B)2-pair voice-grade UTP
C)1-pair data-grade UTP
D)2-pair data-grade UTP
12
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Chapter 11: Networked Applications
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62 Verified Questions
62 Flashcards
Source URL: https://quizplus.com/quiz/29504
Sample Questions
Q1) Which of the following is considered a bigger problem with traditional client/server based architectures than with peer-to-peer architectures?
A)underutilized processing capacity of client PCs
B)potential for essential data/services to become unavailable as a device is turned off
C)both A and B
D)neither A nor B
Q2) In Skype,________ is the process where a Skype application looks up the username and IP address of the party it wants to contact.
A)login
B)directory search
C)transport
D)signaling
Q3) Which of the following steps are done in order during a call with Skype?
A)login, signaling, transport
B)signaling, transport, end a call
C)login, signaling, end a call
D)none of the above
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13
Chapter 12: Module a More on Tcp
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4 Verified Questions
4 Flashcards
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Sample Questions
Q1) A TCP segment begins with octet 8,658 and ends with octet 12,783.What number does the sending host put in the sequence number field?
A)8,658
B)8,659
C)12,783
D)12,784
Q2) A TCP segment begins with octet 8,658 and ends with octet 12,783.What number does the receiving host put in the acknowledgment number field of the TCP segment that acknowledges this TCP segment?
A)8,658
B)8,659
C)12,783
D)12,784
Q3) Flow control in TCP depends on the ________ field.
A)acknowledgement number
B)window size
C)both A and B
D)neither A nor B
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14
Chapter 13: Module B More on Modulation
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12 Verified Questions
12 Flashcards
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Sample Questions
Q1) QPSK sends ________ bit(s)per clock cycle.
A)1
B)2
C)4
D)16
Q2) In QAM,if you have eight possible amplitudes,you have ________ possible states.
A)4
B)8
C)16
D)none of the above
Q3) QAM uses ________.
A)amplitude modulation
B)phase modulation
C)both A and B
D)neither A nor B
Q4) In QAM,if you have four possible amplitudes,you have ________ possible states.
A)4
B)8
C)16
D)none of the above
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Chapter 14: Module C More on Telecommunications
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47 Verified Questions
47 Flashcards
Source URL: https://quizplus.com/quiz/29507
Sample Questions
Q1) With WATS calls,the ________ pays and pays ________ per minute than direct distance dialing.
A)caller, more
B)caller, less
C)called party, more
D)called party, less
Q2) Cross-connect devices are found in ________.
A)PBXs
B)equipment rooms
C)telecommunications closets
D)switches
Q3) Because of the curvature of the earth,microwave systems that must travel over long distances need ________.
A)to operate at low frequencies
B)to operate at high frequencies
C)repeaters
D)mirrors
Q4) In TDM,there are usually more frames than slots.
A)True
B)False
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Chapter 15: Module D Directory Servers
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11 Verified Questions
11 Flashcards
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Sample Questions
Q1) In Active Directory domains,there is a partial replication between domain controllers
A)in the same domain
B)in different domains at adjacent levels in the domain hierarchy
C)both A and B
D)neither A nor B
Q2) An Active Directory domain ________.
A)has only a single domain controller
B)makes all servers domain controllers
C)must have its servers organized as a tree
D)none of the above
Q3) Which device holds authentication data?
A)authenticator
B)authentication server
C)both A and B
D)neither A nor B
Q4) A group of Active Directory trees organized in a hierarchy is a forest.
A)True
B)False
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