CompTIA Network+ mcq questions with answer – Set 3

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• Total Number Of Questions : 10
• Passing Marks : 7
• Each Question Carry 1 Mark, No Negative Marking.
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#1. Which of the following is a VoIP signaling protocol used to set up, maintain, and tear down VoIP phone calls?

MX

MX

RJ-45

RJ-45

SIP

SIP

IMAP

IMAP

#2. Which of the following categories of UTP cabling are commonly used for 1000BASE-T networks? (Choose two.)

Select all that apply:

Cat 5

Cat 5

Cat 5e

Cat 5e

Cat 6

Cat 6

Cat 6f

Cat 6f

#3. Which type of cable might be required for installation in a drop ceiling, which is used as an open-air return duct?

Riser

Riser

Plenum

Plenum

Multimode

Multimode

Twin-axial

Twin-axial

#4. Which network infrastructure device primarily makes forwarding decisions based on Layer 2 MAC addresses?

Router

Router

Switch

Switch

Hub

Hub

Multilayer switch

Multilayer switch

#5. A router operating at Layer 3 primarily makes its forwarding decisions based on what address?

Destination MAC address

Destination MAC address

Source IP address

Source IP address

Source MAC address

Source MAC address

Destination IP address

Destination IP address

#6. Identify two differences between an Ethernet bridge and an Ethernet switch.

Select all that apply:

Switches use ASICs to make forwarding decisions, whereas bridges make their forwarding decisions in software.

Switches use ASICs to make forwarding decisions, whereas bridges make their forwarding decisions in software.

Bridges typically operate faster than switches.

Bridges typically operate faster than switches.

Switches usually have higher port densities than bridges.

Switches usually have higher port densities than bridges.

Bridges can base their forwarding decisions on logical network layer addresses.

Bridges can base their forwarding decisions on logical network layer addresses.

#7. A router has 12 ports. How many broadcast domains does the router have?

0

0

1

1

2

2

12

12

#8. A switch has 12 ports. How many collision domains does the switch have?

0

0

1

1

2

2

12

12

#9. What is the first DHCP message sent by a client attempting to obtain IP address information from a DHCP server?

DHCPOFFER

DHCPOFFER

DHCPACK

DHCPACK

DHCPDISCOVER

DHCPDISCOVER

DHCPREQUEST

DHCPREQUEST

#10. What specialized network device is commonly used to load balance traffic across multiple servers in a group?

Content switch

Content switch

Firewall

Firewall

DNS server

DNS server

Content engine

Content engine

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