CompTIA Network+ Certification (N10-003) Part 6
30 CompTIA Network+ questions covering cable and devices.
- 1.
What is the maximum transmission speed of a Category 3 UTP cable?
- A.
16 Mbps
- B.
20 Mbps
- C.
100 Mbps
- D.
1000 Mbps
Correct Answer
A. 16 MbpsExplanation
Category 3 UTP cable is rated for transmission speeds of up to 16 MbpsRate this question:
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- 2.
Category 5 UTP cable is rated for transmission speed of up to _____.
- A.
16 Mbps
- B.
20 Mbps
- C.
100 Mbps
- D.
1000 Mbps
Correct Answer
C. 100 MbpsExplanation
Category 5 UTP cable is rated for transmission speed of up to 100 MbpsRate this question:
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- 3.
The network you support has a 1000Base-TX switch. Hosts are connected to the switch by Category 5 UTP cables. What is the maximum transmission speed that you would expect the network to operate?
- A.
16 Mbps
- B.
20 Mbps
- C.
100 Mbps
- D.
1000 Mbps
Correct Answer
C. 100 MbpsExplanation
Although the 1000Base-TX switch is rated at 1000 Mbps, the Category 5 UTP cable is rated for a maximum transmission speed of only 100 Mbps.Rate this question:
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- 4.
What is the maximum transmission speed of a Category 5e UTP cable?
- A.
16 Mbps
- B.
20 Mbps
- C.
100 Mbps
- D.
1000 Mbps
Correct Answer
D. 1000 MbpsExplanation
Category 5e UTP cable is rated for a maximum transmission speed of 1000 MbpsRate this question:
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- 5.
The network you support has a 1000Base-TX switch. All hosts have 1000Base-TX network interface cards. What is the minimum cable your network would need to operate at the maximum transmission speed possible?
- A.
Category 3 UTP cable
- B.
Category 5 UTP cable
- C.
Category 5e UTP cable
- D.
Category 6 UTP cable
Correct Answer
C. Category 5e UTP cableExplanation
1000Base-TX is rated at 1000 Mbps adn Category 5e UTP cable is rated for transmission speeds of up to 1000 MbpsRate this question:
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- 6.
You work as a network technician for a company that just aquired an adjacent building that is 750 meters away from their current building. You need to connect the network in the two buildings. Both buildings have a 1000Base-LX switch. Which cable would you need to connect the two buildings?
- A.
RG-58 co-axial cable
- B.
CAT5e UTP cable
- C.
Multi-mode fiber optic cable
- D.
Single-mode fiber optic cable
Correct Answer
D. Single-mode fiber optic cableExplanation
1000Base-LX can use either single-mode or multi-mode fiber optic cable. However, multi-mode 1000Base-LX has a maximum transmission distance of only 550 meters while single-mode 1000Base-LX has a maximum transmission distance of 2000 meters.Rate this question:
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- 7.
Which of the following can be used to connect dissimilar networks?
- A.
Modem
- B.
Switch
- C.
Gateway
- D.
Bridge
Correct Answer
C. GatewayExplanation
A gateway is any hardware and software combination that connects dissimilar network environmentsRate this question:
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- 8.
Which of the following devices can be used to connect two similar network segments but keeps network traffic separate on the segments?
- A.
Modem
- B.
Switch
- C.
Gateway
- D.
Bridge
Correct Answer
D. BridgeExplanation
A bridge connects two similar network segments together but keeps traffic separated on both sides of the bridge. Traffic is only allowed to pass through the bridge if it is intended for a host on the other side of the bridge.Rate this question:
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- 9.
Which of the following can be used to connect an Ethernet network to an IBM mainframe?
- A.
Modem
- B.
Switch
- C.
Gateway
- D.
Bridge
Correct Answer
C. GatewayExplanation
A gateway is any hardware and software combination that connects dissimilar network environments and can be used to connect a LAN to a mainframe environment.Rate this question:
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- 10.
Which of the following uses both analog and digital formats?
- A.
ISDN
- B.
CSU / DSU
- C.
Cable
- D.
DSL
- E.
Modem
Correct Answer
E. ModemExplanation
A modem modulates and demodulates between digital and analog signalsRate this question:
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- 11.
Which of the following devices are used to connect multiple dissimilar network segments?
- A.
Modem
- B.
Switch
- C.
Router
- D.
Bridge
Correct Answer
C. RouterExplanation
A router can connect multiple similar or dissimilar network segments into an internetworkRate this question:
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- 12.
Which of the following transmitts data out all its ports?
- A.
Hub
- B.
Switch
- C.
Router
- D.
Bridge
Correct Answer
A. HubExplanation
A hub transmits data out all its ports.Rate this question:
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- 13.
Which of the following can be used to connect to a wireless network?
- A.
Bridge
- B.
Gateway
- C.
Modem
- D.
WAP
Correct Answer
D. WAPExplanation
A Wireless Access Point (WAP) is the connection point for a wireless network.Rate this question:
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- 14.
A ____ is used to connect hosts in a star topology
- A.
Bridge
- B.
Gateway
- C.
Modem
- D.
Hub
Correct Answer
D. HubExplanation
A hub or switch is the central connection point for a host in a star topology.Rate this question:
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- 15.
Which of the following supports Network Address Translation (NAT)?
- A.
Hub
- B.
Bridge
- C.
Switch
- D.
Router
Correct Answer
D. RouterExplanation
NAT maps multiple private IP addresses to a single public IP address, allowing users to access a public network such as the Internet. It can be implemented on a router or a firewall.Rate this question:
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- 16.
Which of the following statement is false?
- A.
A hub sends any transmission it receives on one port out all the other ports, including the receiving pair for the transmitting device
- B.
A firewall can prevent computers on the local area network from accessing services on the Internet and prevent users on the Internet from accessing resources on the local area network
- C.
Network Address Translation (NAT) maps multiple private IP addresses to a single public IP address, allowing users to access a public network such as the Internet, and can be implemented on a switch
- D.
A gateway is a hardware and software combination that connects dissimilar network environments and can be used to connect a local area network to a mainframe
Correct Answer
C. Network Address Translation (NAT) maps multiple private IP addresses to a single public IP address, allowing users to access a public network such as the Internet, and can be implemented on a switchExplanation
NAT maps multiple private IP addresses to a single IP address, allowing users to access a public network such as the Internet, but can be implemented on a router or firewall, not a switch.Rate this question:
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- 17.
Which of the following can be used to connect a network to the Internet?
- A.
Modem
- B.
Switch
- C.
Gateway
- D.
Bridge
Correct Answer
C. GatewayExplanation
A gateway is any hardware and software combination that connects dissimilar network environments, such as a local area network and the Internet.Rate this question:
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- 18.
Which of the following can be used to connect a host to an Internet Service Provider (ISP)? (choose the best answer)
- A.
Modem
- B.
Switch
- C.
Gateway
- D.
Bridge
Correct Answer
A. ModemExplanation
A modem modulates digital data onto an analog carrier for transmission over the internet and demodulates from the analog carrier to a digital signal at the receiving end. It is used to connect a host to the Internet via an Internet Service Provider (ISP).Rate this question:
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- 19.
You work as the network administrator for a company that just aquired an adjacent building. The network in the current building has a 192.168.1.0 network address. The new building has a 172.16.24.0 network address. Which of the following would you use to connect the two networks?
- A.
Modem
- B.
Hub
- C.
Gateway
- D.
Router
Correct Answer
D. RouterExplanation
A router connects two or more network segments together and routes packets between the two segments.Rate this question:
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- 20.
Which of the following protects a network with Internet connectivity from attackers on the Internet?
- A.
Bridge
- B.
Gateway
- C.
Modem
- D.
Firewall
Correct Answer
D. FirewallExplanation
A firewall prevents attackers on the Internet from direct access to LAN computers. It is often referred to as the first line of defense for a network with Internet connectivityRate this question:
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- 21.
Which of the following devices are used to connect multiple similar network segments?
- A.
Modem
- B.
Router
- C.
Gateway
- D.
Bridge
Correct Answer
B. RouterExplanation
A router connects multiple segments of a network togetherRate this question:
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- 22.
Which of the following can you use to connect the Attachment Unit Interface (AUI) port on a Network Interface Card (NIC) to a patch cable from a 100Base-TX switch?
- A.
Bridge
- B.
Modem
- C.
Gateway
- D.
Transceiver
Correct Answer
D. TransceiverExplanation
A transceiver is an adapter that allows a networking device to connect to a different type of media than it was designed for. It can be used to connect a NIC with a DB-15 AUI port to a UTP cable used by a 100Base-TX switch.Rate this question:
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- 23.
A ____ can be used to connect two networks that use different protocols.
- A.
Modem
- B.
Switch
- C.
Gateway
- D.
Bridge
Correct Answer
C. GatewayExplanation
A gateway is capable of translating data from one protocol to another and can connect dissimilar network environments that do not use the same protocols.Rate this question:
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- 24.
What is the purpose of a repeater?
- A.
It connects two hosts together to form a small network
- B.
It extends network transmission distance by boosting the signal strength
- C.
It connects dissimilar networks and translates between different protocols
- D.
It reduces the size of a network by separating a network into two smaller network segments
Correct Answer
B. It extends network transmission distance by boosting the signal strengthExplanation
A repeater simply regenerates the signal it receives on one port, boosting the signal and sending it out on another port as if it were the original physical source of the transmission. In this way it increases the signal strength, allowing it to travel further.Rate this question:
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- 25.
Which of the following can be used to reduce broadcast traffic?
- A.
Hub
- B.
Switch
- C.
Router
- D.
Repeater
Correct Answer
C. RouterExplanation
Routers do not use broadcast traffic to locate a host. It used tables instead.Rate this question:
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- 26.
Which of the following can be used to transmit packets between different networks?
- A.
Modem
- B.
Router
- C.
Gateway
- D.
Bridge
Correct Answer
B. RouterExplanation
A router connects different network segements together and is responsible for transmitting packets between different network segmentsRate this question:
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- 27.
Which of the following wireless standards has a transmission speed of up to 54 Mbps? (chose all that apply)
- A.
802.11
- B.
802.11a
- C.
802.11b
- D.
802.11g
Correct Answer(s)
B. 802.11a
D. 802.11gExplanation
IEEE 802.11a and IEEE 802.11g have transmission speeds of up to 54 MbpsRate this question:
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- 28.
Which of the following has a maximum transmission speed of 11 Mbps?
- A.
802.11
- B.
802.11a
- C.
802.11b
- D.
802.11g
Correct Answer
C. 802.11bExplanation
IEEE 802.11b operates at a maximum speed of 11 MbpsRate this question:
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- 29.
At what radio frequency does an IEEE 802.11g wireless network operate?
- A.
2.4 GHz
- B.
5.0 GHz
- C.
5.4 GHz
- D.
10 GHz
Correct Answer
A. 2.4 GHzExplanation
IEEE 802.11b and IEEE 802.11g uses the 2.4 GHz frequency bandRate this question:
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- 30.
You work with an IEEE 802.11a wireless network. At which radio frequency does it operate?
- A.
2.4 GHz
- B.
5.0 GHz
- C.
5.4 GHz
- D.
10 GHz
Correct Answer
B. 5.0 GHzExplanation
IEEE 802.11a uses the 5 GHz frequency bandRate this question:
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Mar 20, 2023Quiz Edited by
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Sep 03, 2010Quiz Created by
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