Network Administration Practice
Questions
Course Introduction
Network Administration is a course designed to provide students with foundational knowledge and practical skills necessary to manage, configure, and maintain computer networks in a professional setting. The course covers core topics such as network topologies, protocols, hardware components, security practices, and troubleshooting methodologies. Students will gain hands-on experience with network operating systems, user management, resource sharing, and implementing security policies. Emphasis is placed on the daily responsibilities of network administrators, including monitoring network performance, ensuring connectivity, and safeguarding data integrity in both local and wide-area networks.
Recommended Textbook
Network Guide to Networks 6th Edition by Tamara Dean
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15 Chapters
627 Verified Questions
627 Flashcards
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Page 2
Chapter 1: An Introduction to Networking
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Sample Questions
Q1) Very large peer-to-peer networks have emerged to take advantage of the Internet.
A)True
B)False
Answer: True
Q2) Describe the network specialties currently in high demand.
Answer: The following specialties are currently in high demand:
· Network security
· Convergence (the delivery of voice, video, and data over a single network)
· In-depth knowledge about one or more NOSs: UNIX, Linux, Mac OS X Server, or Windows
Server 2008 R2
· Network management
· Wireless network design
· Configuration and optimization of routers and switches
· Centralized data storage and management for large-scale environments
Q3) Hardware diagnosis and failure alert are handled by ____.
A) network management services
B) communication services
C) access services
D) Internet services
Answer: A
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Chapter 2: Network Standards and the OSI Model
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Sample Questions
Q1) Each network node has ____ types of addresses.
A) two
B) three
C) four
D) five
Answer: A
Q2) Which IEEE standard describes specifications for wireless transmissions?
A) 802.1
B) 802.3
C) 802.5
D) 802.11
Answer: D
Q3) A network's ____________________ represents the largest data unit the network will carry.
Answer: MTU (maximum transmission unit)
maximum transmission unit
MTU
Q4) ____________________ is the process of gauging the appropriate rate of transmission based on how fast the recipient can accept data.
Answer: Flow control
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Chapter 3: Transmission Basics and Networking Media
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Sample Questions
Q1) The maximum distance a signal can travel and still be interpreted accurately is equal to a segment's maximum length.
A)True
B)False
Answer: True
Q2) Describe the advantages of twisted pair wiring.
Answer: Twisted pair cable is relatively inexpensive, flexible, and easy to install, and it can span a significant distance before requiring a repeater (though not as far as coax). Twisted pair cable easily accommodates several different topologies, although it is most often implemented in star or star-hybrid topologies. All twisted pair cable falls into one of two categories: STP (shielded twisted pair) or UTP (unshielded twisted pair).
Q3) The most significant factor in choosing a transmission method is its ____.
A) noise
B) attenuation
C) throughput
D) latency
Answer: C
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Chapter 4: Introduction to TCP/IP Protocols
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Sample Questions
Q1) Define and describe Zeroconf (Zero Configuration).
Q2) The format of ARP tables is the same from one operating system to another.
A)True
B)False
Q3) Describe the subnet mask and how they are assigned.
Q4) Describe the Time to Live (TTL) field in an IP datagram.
Q5) Define and describe DDNS (Dynamic DNS).
Q6) ICMP (Internet Control Message Protocol) reports on the success or failure of data delivery.
A)True
B)False
Q7) TCP is a(n) ____ subprotocol.
A) open-ended
B) indiscriminating
C) connection-oriented
D) connectionless
Q8) Whether connecting to the Internet or to another computer within a LAN, every node on a network must have a unique ____________________.
6
Q9) TCP ensures reliable data delivery through sequencing and
Q10) Describe multicasting.
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Page 7
Chapter 5: Topologies and Ethernet Standards
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Sample Questions
Q1) A serial backbone is the simplest kind of backbone.
A)True
B)False
Q2) Given their long-distance capabilities, 10GBase-ER and 10GBase-EW are best suited for use on ____.
A) VANs
B) MANs
C) LANs
D) WANs
Q3) Together, the FCS and the header make up the ____-byte "frame" for the data.
A) 15
B) 18
C) 21
D) 24
Q4) A ____ occurs when two transmissions interfere with each other.
A) jam
B) collision
C) carrier sense
D) multiple access event
Q5) Explain why it is important to understand logical topologies.
Page 8
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Chapter 6: Network Hardware, Switching, and Routing
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Sample Questions
Q1) A router that directs data between nodes on an autonomous LAN (or one owned and operated by a single organization) is known as a(n) ____________________ router.
Q2) ____ are combinations of networking hardware and software that connect two dissimilar kinds of networks.
A) Routers
B) Switches
C) Gateways
D) Broadcast domains
Q3) Advances in NIC technology are making this hardware smarter than ever.
A)True
B)False
Q4) Cut-through switches can detect corrupt packets.
A)True
B)False
Q5) Describe two popular types of gateways.
Q6) Describe the IS-IS routing protocol.
Q7) Define wireless NICS. Include a description of disadvantages associated with their use.
Q8) Describe how a bridge translates between two segment types.
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Chapter 7: Wide Area Networks
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Sample Questions
Q1) Describe the fundamental properties WANs and LANs have in common.
Q2) SONET specifies framing and multiplexing techniques at the Physical layer.
A)True
B)False
Q3) The individual geographic locations connected by a WAN are known as ____.
A) WAN sites
B) WAN links
C) network service providers
D) central offices
Q4) In a star topology, a single connection failure will halt all traffic between all sites.
A)True
B)False
Q5) The speed of a T-carrier depends on its ____ level.
A) signal
B) hierarchy
C) channel
D) traffic
Q6) Explain how ATM relies on virtual circuits.
Q7) Define the term xDSL and name the better known DSL varieties.
Page 10
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Chapter 8: Wireless Networking
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Sample Questions
Q1) Most satellites circle the Earth ____ miles above the equator in a geosynchronous orbit.
A) 100
B) 1240
C) 6,000
D) 22,300
Q2) A directional antenna issues wireless signals along a(n) ____ direction.
A) open
B) narrow
C) wide
D) single
Q3) ____ is an 802.11n network feature allowing the combination of multiple frames into one larger frame.
A) Channel bonding
B) Channel aggregation
C) Frame aggregation
D) Frame bonding
Q4) Define reassociation and provide two examples explaining when it occurs.
Q5) Discuss what must be taken into account when placing an access point on a WLAN.
Q6) Describe the wireless spectrum.
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Chapter 9: In-Depth TCP/IP Networking
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Sample Questions
Q1) In CIDR, conventional network class distinctions do not exist.
A)True
B)False
Q2) SMTP operates from port ____.
A) 25
B) 11
C) 110
D) 250
Q3) ____________________ is the protocol responsible for moving messages from one mail server to another over TCP/IP-based networks.
Q4) When using classful IPv4 addressing, a network ID always ends with an octet of ____.
A) 0
B) 00000000
C) 1
D) 255
Q5) If subnetting is used on a LAN, explain how devices interpret subnetting information.
Q6) Describe the formula determining how to modify a default subnet mask to create subnets.
Page 12
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Chapter 10: Virtual Networks and Remote Access
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Sample Questions
Q1) In a ____ VPN, tunnels connect multiple sites on a WAN.
A) site-to-site
B) site-to-client
C) client-to-client
D) link-to-line
Q2) In the NAT networking mode, a vNIC relies on the ____ to act as a NAT device.
A) guest machine
B) reference machine
C) host machine
D) management machine
Q3) Describe PPPoE.
Q4) Where do virtual switches or bridges and their configuration reside?
Q5) Describe the L2TP technology.
Q6) The software required to establish VPNs is usually expensive.
A)True
B)False
Q7) The software that allows you to define VMs and manages resource allocation and sharing among them is known as a(n) ____________________.
Q9) What are three advantages of virtualization? Page 13
Q8) List two things that distinguish cloud computing.
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Page 14
Chapter 11: Network Security
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Sample Questions
Q1) The use of certificate authorities to associate public keys with certain users is known as ____.
A) PGP
B) PKI
C) IPSec
D) SSL
Q2) Describe who should conduct a security audit and the advantages of doing so, if any.
Q3) A ____ attack occurs when a system becomes unable to function because it has inundated with requests for services and can't respond to any of them.
A) flashing
B) denial-of-service
C) war driving
D) phishing
Q4) ____ software searches a node for open ports.
A) Phishing
B) Sniffing
C) Authentication
D) Port scanner
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Chapter 12: Voice and Video Over IP
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Sample Questions
Q1) ____ is the use of one network to simultaneously carry voice, video, and data communications.
A) Multicasting
B) Unicasting
C) Divergence
D) Convergence
Q2) ____________________ performs the same functions as MGCP, but using different commands and processes.
Q3) Describe five capabilities to which SIP is limited.
Q4) When VoIP relies on the Internet, it is often called ____.
A) telephony
B) Internet telephony
C) IP telephony
D) voice telephony
Q5) In general, a(n) ____ is a private switch that accepts and interprets both analog and digital voice signals.
A) IP-PBX
B) analog PBX
C) Data PBX
D) IT-PBX
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Chapter 13: Troubleshooting Network Problems
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Sample Questions
Q1) Before using a network monitor or protocol analyzer on a network, it is important to know what ____ on your network normally looks like.
A) jabber
B) runts
C) current
D) traffic
Q2) ____ are often considered third-level support.
A) Help desk coordinators
B) Help desk analysts
C) Administrators
D) Technical specialists
Q3) Describe how a performance tester compares to a continuity tester.
Q4) Continuity testers can only be used to test copper cable.
A)True
B)False
Q5) Logical connectivity problems often prove more difficult to isolate and resolve than physical connectivity problems.
A)True
B)False
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Chapter 14: Ensuring Integrity and Availability
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Sample Questions
Q1) Describe the key to fault tolerance in network design. Provide examples of fault tolerant topologies.
Q2) ____ scanning techniques attempt to identify malware by discovering "malware-like" behavior.
A) Integrity checking
B) Polymorphic
C) Signature
D) Heuristic
Q3) ____ is a specialized storage device or group of storage devices that provides centralized fault-tolerant data storage for a network.
A) NAS
B) RAID
C) SANs
D) Optical media
Q4) Describe a backup rotation scheme and explain the goal of a good scheme.
Q5) Describe how an organization implements anti-malware software.
Q6) ____________________ refers to a collection of disks that provide fault tolerance for shared data and applications.
Q7) What are external disk drives and why are they useful?
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Chapter 15: Network Management
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Sample Questions
Q1) ____________________ holds down costs because the ISP doesn't have to plan for every client using all the throughput he could at all times
Q2) The most critical type of software upgrade you will perform is an upgrade to your
A) database
B) application
C) NOS
D) backbone
Q3) A ____ is a correction, improvement, or enhancement to a software application.
A) revision
B) change
C) patch
D) software upgrade
Q4) A networked ____ is perhaps the simplest device to add.
A) workstation
B) hub
C) printer
D) server
Q5) Describe the preparation and implementation requirements when upgrading a network printer.
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