CSCI 270 Segmenting (Unit 8)

At what OSI layer do VLANs function?

Data Link Layer

Which VLAN on a switch cannot be renamed or deleted?

Default VLAN

Which assignment technique requires a RADIUS server?

Dynamic VLAN assignment

Benefits of Subnetting

- Compartmentalized - Efficient use of IP addresses - Reduced broadcast traffic - Reduced collisions -Locates network it belongs

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

What is the minimum number of bits that should be borrowed to create 14 subnets?

4 Bits

Which IEEE standard determines how VLANs work on a network?

802.1Q

Which hexadecimal block in an IPv6 address is used for the Subnet ID?

the fourth one

Why might an admin segment a network?

to enhance security, improve network performance, and simplify troubleshooting

Which of the following is not a good reason to segment a network?

To increase the number of networking devices on a network

Which port mode on a switch enables that port to manage traffic for multiple VLANs?

Trunk

Which formulas can be used to calculate the magic number? Choose two.

-- 256 - the interesting octet -- 2h

What is the greatest number of bits you could borrow from the host portion of a class B subnet mask and still have at least 130 hosts per subnet?

10 bits

Which of the following techniques does not break up a large broadcast domain into smaller broadcast domains?

Adding more layer 2 switches to a network

What do well-chosen subnets accomplish?

Network documentation is easier to manage.