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CompTIA Network+ N10-006 Cert Guide: Network Components

Mar 30, 2015

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Review Questions

The answers to these review questions appear in Appendix A, “Answers to Review Questions.”

Which of the following is a VoIP signaling protocol used to set up, maintain, and tear down VoIP phone calls?
1. MX
2. RJ-45
3. SIP
4. IMAP
Which of the following categories of UTP cabling are commonly used for 1000BASE-T networks? (Choose two.)
1. Cat 5
2. Cat 5e
3. Cat 6
4. Cat 6f
Which type of cable might be required for installation in a drop ceiling, which is used as an open-air return duct?
1. Riser
2. Plenum
3. Multimode
4. Twin-axial
Which network infrastructure device primarily makes forwarding decisions based on Layer 2 MAC addresses?
1. Router
2. Switch
3. Hub
4. Multilayer switch
A router operating at Layer 3 primarily makes its forwarding decisions based on what address?
1. Destination MAC address
2. Source IP address
3. Source MAC address
4. Destination IP address
Identify two differences between an Ethernet bridge and an Ethernet switch.
1. Switches use ASICs to make forwarding decisions, whereas bridges make their forwarding decisions in software.
2. Bridges typically operate faster than switches.
3. Switches usually have higher port densities than bridges.
4. Bridges can base their forwarding decisions on logical network layer addresses.
A router has 12 ports. How many broadcast domains does the router have?
1. None
2. 1
3. 2
4. 12
A switch has 12 ports. How many collision domains does the switch have?
1. None
2. 1
3. 2
4. 12
What is the first DHCP message sent by a client attempting to obtain IP address information from a DHCP server?
1. DHCPOFFER
2. DHCPACK
3. DHCPDISCOVER
4. DHCPREQUEST
What specialized network device is commonly used to load balance traffic across multiple servers in a group?
1. Content switch
2. Firewall
3. DNS server
4. Content engine

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