Appendix B Flashcards
1
Q
802.11 details?
A
Supports:
- Up to 2 Mbps (2.4 ghz)
2
Q
802.11b details?
A
Supports:
- Up to 11 Mbps (2.4 ghz)
3
Q
802.11a
A
Supports:
- Up to 54 Mbps (5 ghz)
4
Q
802.11g
A
Supports:
- Up to 54 Mbps (2.4 ghz)
5
Q
802.11n
A
Supports:
- Up to 300 Mbps
6
Q
802.11ac
A
Supports:
- Up to 1300 Mbps (5 ghz)
- Up to 450 Mbps (2.4 ghz)
7
Q
What is a Token Ring?
A
- A LAN in which all computers are connected in a ring or star topology
- Hosts pass one or more logical tokens from host to host
- Only a host that holds a token can pass the data
8
Q
What is the breakdown of 10Base-T
A
- T represents “Twisted-Pair”
- F would represent a fibre option cable
- BASE refers to baseband signalling
- 10 represents the frequency in Mhz`
9
Q
What are the speeds supported by:
- 10Base-T
- 100Base-T
- 1000Base-T
- 10GBase-T
A
- 10Base-T —- > 10Mbps
- 100Base-T —- > 100Mbps
- 1000Base-T —- > 1000Mbps
- 10GBase-T —- > 10Gbps
10
Q
Cat5 Details?
A
- Category 5
- Four twisted pairs of copper wire
- Terminated by RJ45 connector
- Frequency up to 100Mhz
- Speeds up to 1000Mbps
11
Q
Cat5e Details?
A
- Category 5 Enhanced
- Max length of 100 metres
- Four unsheilded twisted pairs (UTP)
- Terminated by RJ45
12
Q
Cat6 Details?
A
- Category 6
- Up to 250Mhz
- Up to 10GBase-T
- Max Length of 100 Metres
13
Q
What does ARP do?
A
Maps IP addresses to MAC addresses
14
Q
What does DHCP do?
A
Used in order to assign IP address to new clients to the network
15
Q
Information gathered by traceroute?
A
- The target’s ISP.
- The target’s location. (e.g. chi for Chicago)
- The target’s bandwidth. (e.g. T1 for 1.5 Mbps line)
- The target’s equipment. (e.g. cisco.example.com)
