Chapter 8 Flashcards
How many bits of a Class A IP address are used for host information?
24 bits
What is the formula for determining the number of possible hosts on a network?
2^h-2=z
Which of the following is not a good reason to segment a network?
To increase the number of networking devices on a network
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?
8
What do well-chosen subnets accomplish?
network documentation is easier
Which formulas can be used to calculate the magic number? Choose two.
256-the interesting octet
2^h
Which hexadecimal block in an IPv6 address is used for the Subnet ID?
the fourth one
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 in order to make the central DHCP server accessible across VLANs?
DHCP Relay agent
Which port mode on a switch enables that port to manage traffic for multiple VLANs?
Trunk
Which IEEE standard determines how VLANs work on a network?
802.1Q
Subnetting operates at Layer ________ while VLANs function at Layer _______.
3,2
Which VLAN on a switch manages untagged frames?
Native VLAN
What area of a network can provide less stringent security so a web server is more accessible from the open Internet?( use abbreviation)
DMZ
On which networking device do you configure VLANs? A ____________(one or two word answer)
mangaged switches
Which VLAN is designed to support administrative access to networking devices __________ VLAN?
management
A hacker wants to orchestrate a VLAN hopping attack. Which of the method(s) below can he employ to do his attack?
double tagging
switch spoofing
Given a host IP address of 172.16.1.154 and a subnet mask of 255.255.254.0, what is the network ID for this host?
172.16.0.0
Which IP addressing technique subnets a subnet to create subnets of various sizes?_____________(Use abbreviation)
VLSM
