Question 1

Switches within a network are interconnected by ___.

Accepted Answer

A)  access links 
B)  peer-to-peer links 
C)  trunk links 
D)  channel links 
E)  internet links 
A)  access links 
B)  peer-to-peer links 
C)  trunk links 
D)  channel links 
E)  internet links C

Question 2

What connects a host to a nearly located switch?

Accepted Answer

A)  trunk link 
B)  access link 
C)  backbone link 
D)  distribution link 
E)  circuit link 
A)  trunk link 
B)  access link 
C)  backbone link 
D)  distribution link 
E)  circuit link B

Question 3

What are three largest sources of delay (latency) in message transmissions?

Accepted Answer

A)  propagation delay, delay at hosts, delay at intermediary devices 
B)  delay at hosts, delay at intermediary devices, delay due to packet collisions 
C)  delay of user response, delay at intermediary devices, propagation delay 
D)  delay of user response, delay at intermediary devices, delay due to packet collisions 
E)  propagation delay, delay at hosts, delay due to packet collisions 
A)  propagation delay, delay at hosts, delay at intermediary devices 
B)  delay at hosts, delay at intermediary devices, delay due to packet collisions 
C)  delay of user response, delay at intermediary devices, propagation delay 
D)  delay of user response, delay at intermediary devices, delay due to packet collisions 
E)  propagation delay, delay at hosts, delay due to packet collisions A

Question 4

Choose an ACCURATE statement regarding the MAC address.

Accepted Answer

A)  A host station does not need a MAC address for networking. 
B)  A host station needs only a MAC address to exchange data over the network. 
C)  It is generally presented to people in its decimal format. 
D)  It is generally 32 bit-long. 
E)  It is printed on the network interface card (NI
C) . 
A)  A host station does not need a MAC address for networking. 
B)  A host station needs only a MAC address to exchange data over the network. 
C)  It is generally presented to people in its decimal format. 
D)  It is generally 32 bit-long. 
E)  It is printed on the network interface card (NI
C) .

Question 5

Which may NOT be an advantage of client/server over peer-to-peer?

Accepted Answer

A)  Easier protection of computing resources 
B)  Faster access to available resources 
C)  Easier to back up server data and files 
D)  Easier to maintain and upgrade servers 
E)  Easier initial setup 
A)  Easier protection of computing resources 
B)  Faster access to available resources 
C)  Easier to back up server data and files 
D)  Easier to maintain and upgrade servers 
E)  Easier initial setup

Question 6

I recently purchased a WiFi access router that says 200 Mbps fast! I was super excited as I was going to watch all the Netflix movies on my smartphone. When the device was installed at home, however, it only gives my smartphone 34Mbps ________!! I am disappointed.

Accepted Answer

A)  channel capacity 
B)  rated speed 
C)  bandwidth 
D)  throughput 
E)  capacity 
A)  channel capacity 
B)  rated speed 
C)  bandwidth 
D)  throughput 
E)  capacity

Question 7

Modulation is technology to convert _______.

Accepted Answer

A)  digital bit stream to a digital signal 
B)  analog data to an analog signal 
C)  analog data to a digital signal 
D)  analog data to ether an analog or a digital signal 
E)  digital bit stream to an analog signal 
A)  digital bit stream to a digital signal 
B)  analog data to an analog signal 
C)  analog data to a digital signal 
D)  analog data to ether an analog or a digital signal 
E)  digital bit stream to an analog signal

Question 8

Which is NOT considered an intermediary device?

Accepted Answer

A)  switch 
B)  router 
C)  wireless access point 
D)  bridge 
E)  network printer 
A)  switch 
B)  router 
C)  wireless access point 
D)  bridge 
E)  network printer

Question 9

The star topology is also called the __________ topology.

Accepted Answer

A)  ring 
B)  tree 
C)  hub-and-spoke 
D)  tree. 
E)  mesh 
A)  ring 
B)  tree 
C)  hub-and-spoke 
D)  tree. 
E)  mesh

Question 10

The enterprise network (or corporate network) of a firm can be composed of one or more:

Accepted Answer

A)  LAN(s) 
B)  LAN(s) + WAN(s) 
C)  LAN(s) + MAN(s) + WAN(s) 
D)  LAN(s) + MAN(s) 
E)  All of the above 
A)  LAN(s) 
B)  LAN(s) + WAN(s) 
C)  LAN(s) + MAN(s) + WAN(s) 
D)  LAN(s) + MAN(s) 
E)  All of the above

Question 11

The QoS (Quality of Service) concept represents the capability of a network to offer guaranteed performance. Then which may be the LEAST relevant measure of QoS?

Accepted Answer

A)  link capacity/speed 
B)  latency/delay 
C)  reliability 
D)  availability/unavailability 
E)  network topology 
A)  link capacity/speed 
B)  latency/delay 
C)  reliability 
D)  availability/unavailability 
E)  network topology

Question 12

Which is a performance measure of network capacity/speed?

Accepted Answer

A)  MB (megabyte) 
B)  Mbps (megabits per second) 
C)  Milliseconds 
D)  MBPS (megabytes per second) 
E)  Microseconds 
A)  MB (megabyte) 
B)  Mbps (megabits per second) 
C)  Milliseconds 
D)  MBPS (megabytes per second) 
E)  Microseconds

Question 13

What is a metric of signal frequencies?

Accepted Answer

A)  nanometers 
B)  decibel 
C)  voltage 
D)  hertz 
E)  bandwidth 
A)  nanometers 
B)  decibel 
C)  voltage 
D)  hertz 
E)  bandwidth

Question 14

Which is a CORRECT statement on network addressing?

Accepted Answer

A)  A node only needs an IP address for networking. 
B)  The IP address is also called as hardware address. 
C)  The MAC address consists of 12 hexadecimal characters (48 bits). 
D)  The MAC address of a device can be permanently changed. 
E)  OUI (organizational unique identifier) is an element of the IP address. 
A)  A node only needs an IP address for networking. 
B)  The IP address is also called as hardware address. 
C)  The MAC address consists of 12 hexadecimal characters (48 bits). 
D)  The MAC address of a device can be permanently changed. 
E)  OUI (organizational unique identifier) is an element of the IP address.

Question 15

Which may NOT be considered a key element of a computer network?

Accepted Answer

A)  hosts 
B)  messages 
C)  networking (intermediary) devices 
D)  applications 
E)  people 
A)  hosts 
B)  messages 
C)  networking (intermediary) devices 
D)  applications 
E)  people

Question 16

The following figure shows the process of _______ in data transmissions?

Accepted Answer

A)  multiplexing 
B)  modulation 
C)  broadband 
D)  synchronous transmission 
E)  asynchronous transmission 
A)  multiplexing 
B)  modulation 
C)  broadband 
D)  synchronous transmission 
E)  asynchronous transmission

Question 17

What is the topology used to create the WAN connections?

Accepted Answer

A)  star 
B)  partial mesh 
C)  tree 
D)  bus 
E)  ring 
A)  star 
B)  partial mesh 
C)  tree 
D)  bus 
E)  ring

Question 18

What should happen when the number of signal states increases in digital signal encoding?

Accepted Answer

A)  Transmission speed generally increases. 
B)  Error resistance generally increases. 
C)  Effective transmission distance generally increases. 
D)  Signal delay generally increases. 
E)  Signal interference decreases. 
A)  Transmission speed generally increases. 
B)  Error resistance generally increases. 
C)  Effective transmission distance generally increases. 
D)  Signal delay generally increases. 
E)  Signal interference decreases.

Question 19

What represents actual data rate of a network?

Accepted Answer

A)  channel capacity 
B)  rated speed 
C)  bandwidth 
D)  throughput 
E)  capacity 
A)  channel capacity 
B)  rated speed 
C)  bandwidth 
D)  throughput 
E)  capacity

Question 20

Which WAN topology may NOT be a cost-effective choice when there are many offices geographically distributed?

Accepted Answer

A)  hub-and-spoke 
B)  full mesh 
C)  hierarchical 
D)  partial mesh 
E)  star 
A)  hub-and-spoke 
B)  full mesh 
C)  hierarchical 
D)  partial mesh 
E)  star

Switches within a network are interconnected by ___.

What connects a host to a nearly located switch?

What are three largest sources of delay (latency) in message transmissions?

Choose an ACCURATE statement regarding the MAC address.

Which may NOT be an advantage of client/server over peer-to-peer?

I recently purchased a WiFi access router that says 200 Mbps fast! I was super excited as I was going to watch all the Netflix movies on my smartphone. When the device was installed at home, however, it only gives my smartphone 34Mbps ________!! I am disappointed.

Modulation is technology to convert _______.

Which is NOT considered an intermediary device?

The star topology is also called the __________ topology.

The enterprise network (or corporate network) of a firm can be composed of one or more:

The QoS (Quality of Service) concept represents the capability of a network to offer guaranteed performance. Then which may be the LEAST relevant measure of QoS?

Which is a performance measure of network capacity/speed?

What is a metric of signal frequencies?

Which is a CORRECT statement on network addressing?

Which may NOT be considered a key element of a computer network?

The following figure shows the process of _______ in data transmissions?

What is the topology used to create the WAN connections?

What should happen when the number of signal states increases in digital signal encoding?

What represents actual data rate of a network?

Which WAN topology may NOT be a cost-effective choice when there are many offices geographically distributed?

Cybersecurity: Fundamentals

Essential Layers of Computer Networking

Ip Address Planning and Management

Intermediary Devices

Wi-Fi and Cellular Network

Ethernet Lan

Cybersecurity: Threats

Cybersecurity: Network and Host Protection

Cybersecurity: Data Protection

Fundamentals of Packet Routing

Wide Area Network

Physical Layer Data Transmissions

Enterprise Network: LAN Topology, Routing, and Connectivity

Filters

Exam 1: Networking: Fundamental Concepts

Switches within a network are interconnected by ___.

What connects a host to a nearly located switch?

What are three largest sources of delay (latency) in message transmissions?

Choose an ACCURATE statement regarding the MAC address.

Which may NOT be an advantage of client/server over peer-to-peer?

I recently purchased a WiFi access router that says 200 Mbps fast! I was super excited as I was going to watch all the Netflix movies on my smartphone. When the device was installed at home, however, it only gives my smartphone 34Mbps ________!! I am disappointed.

Modulation is technology to convert _______.

Which is NOT considered an intermediary device?

The star topology is also called the __________ topology.

The enterprise network (or corporate network) of a firm can be composed of one or more:

The QoS (Quality of Service) concept represents the capability of a network to offer guaranteed performance. Then which may be the LEAST relevant measure of QoS?

Which is a performance measure of network capacity/speed?

What is a metric of signal frequencies?

Which is a CORRECT statement on network addressing?

Which may NOT be considered a key element of a computer network?

The following figure shows the process of _______ in data transmissions?

What is the topology used to create the WAN connections?

What should happen when the number of signal states increases in digital signal encoding?

What represents actual data rate of a network?

Which WAN topology may NOT be a cost-effective choice when there are many offices geographically distributed?

Cybersecurity: Fundamentals

Essential Layers of Computer Networking

Ip Address Planning and Management

Intermediary Devices

Wi-Fi and Cellular Network

Ethernet Lan

Cybersecurity: Threats

Cybersecurity: Network and Host Protection

Cybersecurity: Data Protection

Fundamentals of Packet Routing

Wide Area Network

Physical Layer Data Transmissions

Enterprise Network: LAN Topology, Routing, and Connectivity

Filters