Network Administration Exam Review
Course Introduction
Network Administration provides students with foundational knowledge and practical skills for managing, configuring, and troubleshooting computer networks within organizations. The course covers essential topics such as network topologies, protocols, hardware devices, IP addressing, and network services. Students will learn to install, secure, monitor, and maintain both wired and wireless networks, with an emphasis on common industry tools and best practices. Additionally, the course explores user and resource management, backup strategies, and network documentation, preparing students to effectively support and administer network infrastructures in various professional environments.
Recommended Textbook Business Data Networks and Security 9th Edition by
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15 Chapters
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Page 2
Raymond R. Panko
Chapter 1: Welcome to the Cloud
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92 Verified Questions
92 Flashcards
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Sample Questions
Q1) Applications that need error correction will probably use ________ at the transport layer.
A)UDP
B)TCP
C)either A or B
Answer: B
Q2) 20,000 bits per second is ________.
A)20 kbps
B)20 Mbps
C)20 Gbps
D)none of the above
Answer: A
Q3) An unauthorized access point is a(n)________.
A)SSID
B)BSSID
C)rogue access point
D)evil twin access point
Answer: C
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Page 3
Chapter 2: Network Standards
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Sample Questions
Q1) TCP/IP is dominant at the ________ layer.
A)data link
B)transport
C)both A and B
D)neither A nor B
Answer: B
Q2) After the data link layer process does encapsulation,it passes the IP packet to the ________ layer process.
A)physical
B)internet
C)transport
D)none of the above
Answer: A
Q3) The ________ contains the content being delivered by a message.
A)address field
B)header
C)data field
D)trailer
Answer: C
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Page 4
Chapter 3: Network Security
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152 Verified Questions
152 Flashcards
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Sample Questions
Q1) Which of the following sometimes uses direct propagation between computers?
A)viruses
B)worms
C)both A and B
D)neither A nor B
Answer: B
Q2) Antivirus programs can usually stop directly-propagating worms.
A)True
B)False
Answer: False
Q3) Access control involves ________.
A)limiting access to each resource
B)limiting the permissions of users to each resource
C)both A and B
D)neither A nor B
Answer: C
Q4) A firewall drops a packet if it probably but not definitely is an attack packet.
A)True
B)False
Answer: False
Page 5
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Chapter 4: Network Management
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Sample Questions
Q1) Network managers do not need to worry very much about cost when making decisions.
A)True
B)False
Q2) Traffic shaping can ________.
A)filter out unwanted traffic
B)limit some traffic to a certain percentage of total capacity
C)both A and B
D)neither A nor B
Q3) Variability in delay is called jitter.
A)True
B)False
Q4) Overprovisioning is ________.
A)wasteful of capacity
B)highly labor-intensive
C)both A and B
D)neither A nor B
Q5) Transmission speed normally is measured in bits per second.
A)True
B)False
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Chapter 5: Wired Ethernet Lans
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117 Verified Questions
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Sample Questions
Q1) LAN speeds are faster than WAN speeds.This is because of ________.
A)technological limitations
B)regulatory limitations
C)the slow corporate adoption of newer WAN technologies
D)economic reasons
Q2) The 1000BASE-T standard has a maximum distance of 100 meters.When this standard is used,100 meters is the maximum distance span of an Ethernet network.
A)True
B)False
Q3) Multimode fiber distance is limited primarily by ________.
A)modal dispersion
B)absorptive attenuation
C)both A and B about equally
Q4) A ________ serves a city and its suburbs.
A)MAN
B)PAN
C)both A and B
D)neither A nor B
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Chapter 6: Wireless Lans I
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Sample Questions
Q1) Wireless radio transmission usually is expressed in terms of ________.
A)wavelength
B)frequency
C)both A and B
D)neither A nor B
Q2) For wireless backup,which of the following is adequate?
A)802.11ac
B)802.11g
C)802.11n
D)all of the above
Q3) If more users move to an access point,this decreases ________.
A)individual throughput
B)aggregate throughput
C)both A and B
D)neither A nor B
Q4) Access points take frames from wireless devices and send these frames on to devices on the wired LAN.
A)True
B)False
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Chapter 7: Wireless Lans 2
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Sample Questions
Q1) To drive around a city looking for working access points that are unprotected is
A)drive-by hacking
B)war driving
Q2) Centralized access point management raises management costs.
A)True
B)False
Q3) Which of the following can be used to centrally manage remote access points?
A)smart access points
B)WLAN switches
C)both A and B
D)neither A nor B
Q4) At the beginning of a telephone call placed through a Bluetooth headset with the Hands-Free Profile,which device is initially the master?
A)the Bluetooth phone
B)the Bluetooth headset
C)Both are simultaneously masters and slaves.
Q5) Breaking into WLANs is ________.
A)drive-by hacking
B)war driving
Page 9
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Chapter 8: Tcpip Internetworking I
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Sample Questions
Q1) What does a router do with ARP request messages?
A)It broadcasts them.
B)It sends them directly to the destination host.
C)both A and B
D)neither A nor B
Q2) Four-way closes use ________ segments.
A)FIN
B)RST
C)both A and B
D)neither A nor B
Q3) For human reading,in IPv6 addresses,letters should be written in ________.
A)uppercase
B)lowercase
C)both A and B
D)neither A nor B
Q4) Routers send packets out ________.
A)ports
B)connections
C)interfaces
D)plugs
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Chapter 9: Tcpip Internetworking 2
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Sample Questions
Q1) In SNMP,the time-to-live value for a router interface is the value for an object.
A)True
B)False
Q2) Label-switching routers bring ________.
A)lower cost
B)the ability to do traffic engineering
C)both A and B
D)neither A nor B
Q3) Today,it is problematic to have ________.
A)only a single IPv4 stack
B)only a single IPv6 stack
C)a dual stack
D)all of the above
Q4) Stateless autoconfiguration makes more sense for ________.
A)single-stack IPv4 hosts
B)single-stack IPv6 hosts
C)dual-stack hosts
D)It makes equal sense for all of the above.
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Chapter 10: Wide Area Networks
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Sample Questions
Q1) Cells are used in cellular telephony to provide ________.
A)service for more customers
B)greater reliability
C)greater speed
D)all of the above
Q2) Leased line switched WANs typically use ________.
A)leased lines
B)a router at each site
C)both A and B
D)neither A nor B
Q3) Metro Ethernet offers relatively high speeds and low costs.
A)True
B)False
Q4) When a cellular customer moves from one cell in a city to another cell in the same city,this is ________.
A)cell switching
B)a handoff
C)cell hopping
D)roaming
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Chapter 11: Networked Applications
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Sample Questions
Q1) Which of the following is an attraction of cloud utility computing?
A)flexibility
B)control over operations
C)both A and B
D)neither A nor B
Q2) In BitTorrent,a(n)________ is a server that coordinates the file transfer.
A)swarm
B)index
C)tracker
D)none of the above
Q3) A media gateway connects a client computer or VoIP phone to the VoIP network.
A)True
B)False
Q4) Which of the following steps in Skype is done P2P?
A)login
B)signaling
C)both A and B
D)neither A nor B
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Chapter 12: Module a More on Tcp
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Sample Questions
Q1) Flow control in TCP depends on the ________ field.
A)acknowledgement number
B)window size
C)both A and B
D)neither A nor B
Q2) A TCP segment carries data octets 456 through 980.The following TCP segment is a supervisory segment carrying no data.What value is in the sequence number field of the latter TCP segment?
A)456
B)457
C)980
D)981
Q3) 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
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Chapter 13: Module B More on Modulation
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Sample Questions
Q1) BPSK uses ________ phase levels.
A)2
B)4
C)8
D)15
Q2) QPSK sends ________ bit(s)per clock cycle.
A)1
B)2
C)4
D)16
Q3) QAM uses ________.
A)amplitude modulation
B)phase modulation
C)both A and B
D)neither A nor B
Q4) Phase modulation uses two ________ levels.
A)loudness
B)frequency
C)both A and B
D)neither A nor B
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Chapter 14: Module C More on Telecommunications
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Sample Questions
Q1) Deregulation is lowest for ________.
A)customer premises equipment
B)local telephone service
C)long-distance telephone service
D)All of the above are deregulated to about the same degree.
Q2) Local calls are always billed on a flat rate basis where the customer pays a monthly fee for unlimited local calling.
A)True
B)False
Q3) For PBXs,call transfer is ________.
A)a user service
B)an attendant service
C)a management service
Q4) In telephone wiring,there needs to be four wires for each computer on the floor in ________.
A)horizontal distribution
B)vertical distribution
C)both A and B
D)neither A nor B
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Chapter 15: Module D Directory Servers
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Sample Questions
Q1) Directory servers organize information in a ________.
A)mesh
B)hierarchy
C)relational database
D)Any of the above can be used.
Q2) If a company has multiple authentication servers,which devices are likely to hold the authentication data?
A)authenticators
B)authentication servers individually
C)authentication servers doing replication
D)directory servers
Q3) In AD,there is complete replication between domain controllers ________.
A)in the same domain
B)in adjacent levels in the domain hierarchy
C)throughout a tree
D)throughout a forest
Q4) A group of Active Directory trees organized in a hierarchy is a forest.
A)True
B)False
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