Network+ Chapter 8 Questions with Verified Answers (Correct
Update)
Question 1: What is the least number of bits you would need to borrow from the network
portion of a Class B subnet mask to get at least 130 hosts per subnet? Eight Ten Nine None
Answer: 8
Question 2: How many bits of a Class A IP address are used for host information? 8 bits 32 bits
24 bits 16 bits
Answer: 24
Question 3: Which port mode on a switch enables that port to manage traffic for multiple
VLANs? Ethernet Console Trunk Access
Answer: trunk
Question 4: Which of the following is not a good reason to segment a network? To narrow down
the location of problems on a network To increase the number of networking devices on a
network To reduce the demand on bandwidth To limit access to broadcast domains
Answer: To increase the number of networking devices on a network
Question 5: While designing your network's VLAN topology, your team has decided to use a
centrally managed DHCP server rather than creating a separate DHCP server for each VLAN.
What software will you need to make the central DHCP server accessible across VLANs?
Hypervisor DHCP relay agent Virtual router DHCP server
Answer: DHCP relay agent
Question 6: What is the formula for determining the number of possible hosts on a network? 2h
= Z 2n = Y 2h - 2 = Z 2n - 2 = Y
Answer: 2h - 2 = Z
Question 7: Which IEEE standard determines how VLANs work on a network? 802.11 802.1Q
802.3af 802.1x
Answer: 802.1Q
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Update)
Question 1: What is the least number of bits you would need to borrow from the network
portion of a Class B subnet mask to get at least 130 hosts per subnet? Eight Ten Nine None
Answer: 8
Question 2: How many bits of a Class A IP address are used for host information? 8 bits 32 bits
24 bits 16 bits
Answer: 24
Question 3: Which port mode on a switch enables that port to manage traffic for multiple
VLANs? Ethernet Console Trunk Access
Answer: trunk
Question 4: Which of the following is not a good reason to segment a network? To narrow down
the location of problems on a network To increase the number of networking devices on a
network To reduce the demand on bandwidth To limit access to broadcast domains
Answer: To increase the number of networking devices on a network
Question 5: While designing your network's VLAN topology, your team has decided to use a
centrally managed DHCP server rather than creating a separate DHCP server for each VLAN.
What software will you need to make the central DHCP server accessible across VLANs?
Hypervisor DHCP relay agent Virtual router DHCP server
Answer: DHCP relay agent
Question 6: What is the formula for determining the number of possible hosts on a network? 2h
= Z 2n = Y 2h - 2 = Z 2n - 2 = Y
Answer: 2h - 2 = Z
Question 7: Which IEEE standard determines how VLANs work on a network? 802.11 802.1Q
802.3af 802.1x
Answer: 802.1Q
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