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IEEE 802.3
The IEEE standard for Ethernet
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IEEE 802.3ab
The IEEE standard for 1000BaseT
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IEEE 802.3z
The umbrella IEEE standard for all versions of Gigabit Ethernet other than 1000BaseT
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IEEE 802.1x
a port-authentication network access control mechanism
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IEEE 802.11a frequency range? throughput?
5 GHz, 54 Mbps
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IEEE 802.11b frequency range? throughput?
2.4 GHz, 11 Mbps
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IEEE 802.11g frequency range? throughput?
2.4 GHz, 54 Mbps
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IEEE 802.11n frequency range? throughput?
2.4 or 5 GHz, 400 Mbps
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IEEE 802.11i
a standard for wireless security
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IEEE 802.16
WiMax, range up to 30 miles
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H.323
a control protocol that runs over RTP, for VoIP
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A T1 line has how many channels? Total bandwidth?
24 channels, 1.5 Mbps
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A T3 line has how many channels? Total bandwidth?
672 channels, 44.7 Mbps
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A E1 line has how many channels? Total bandwidth?
32 channels, 2.0 Mbps
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A E3 line has how many channels? Total bandwidth?
512 channels, 34.4 Mbps
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10BaseT uses what cable? Max distance from hub?
CAT 3 or better, 100m
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10BaseFL uses what cable? Max distance from hub?
multimode fiber, 2km
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100BaseTX uses what cable type? Max distance from hub?
CAT 5e or better, 100m
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100BaseFX uses what cable type? Max distance from hub?
multimode fiber, 2km
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1000BaseCX uses what cable type? Max distance from hub?
twinaxial cable, 25m
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1000BaseSX uses what cable type? Max distance from hub?
multimode fiber, 500m
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1000BaseLX users what cable type? Max distance from hub?
single-mode fiber, 5km
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1000BaseT uses what cable type? Max distance from hub?
CAT 5e or better, 100m
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10GBaseSR uses what cable type? Max distance from hub?
multimode, 300m
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10GBaseSW uses what cable type? Max distance from hub?
multimode, 300m
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10GBaseLR uses what cable type? Max distance from hub?
single-mode, 10km
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10GBaseLW uses what cable type? Max distance from hub?
single-mode, 10km
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10GBaseER uses what cable type? Max distance from hub?
single-mode, 40km
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10GBaseEW uses what cable type? Max distance from hub?
single-mode, 40km
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10GBaseT uses what cable type? Max distance from hub?
CAT 6/6a, 100m
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class A addresses start with what?
1-126
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class B addresses start with what?
128-191
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class C addresses start with what?
192-223
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class D addresses start with what?
224-239
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class E addresses start with what?
240-254
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private class A addresses start with what?
10
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private class B addresses start with what?
172.16 thru 172.31
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private class C addresses start with what?
192.168
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BOOTP uses what port(s) of what type?
UDP ports 67, 68
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DHCP uses what port(s)? of what type?
UDP ports 67,68
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FTP uses what port(s)? of what type?
TCP ports 20,21
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HTTPS uses what port(s)? of what type?
TCP port 443
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IMAP4 uses what port(s)? of what type?
TCP port 143
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Kerberos uses what port(s)? of what type?
TCP or UDP port 88
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POP3 uses what port(s)? of what type?
TCP port 110
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SMTP uses what port(s) of what type?
TCP port 25
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SSH uses what port(s) of what type?
TCP port 22
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TFTP uses what port(s) of what type?
UDP port 69
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RDP uses what port(s) of what type?
TCP port 3389
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What do APIPA addresses start with?
169.254
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Bridges work at what layer of the OSI model?
layer 2, the data link layer
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What type of channels does ISDN have?
Bearer(B) channels & Delta(D) channels
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What is the data rate of ISDN BRI?
128 Kbps
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What is the data rate of ISDN PRI?
23 B channels x 64 Kbps
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What is the data rate of DS0?
64 Kbps
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What are the wireless network modes?
ad hoc (peer-to-peer) and infrastructure
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What are the methods of wireless collision avoidance?
DCF (Distributed coordination function) and PCF (Point coordination function)
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The 801.11 standard defines how many channels?
14
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How many pairs of wires are in a CAT 5e cable?
4 pairs
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How does a normal backup handle the archive bits?
This is a full backup; the archive bits are all turned off.
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How does a copy backup handle the archive bits?
This is a full backup, but the archive bits are not changed.
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How does an incremental backup handle the archive bits?
This includes only files with the archive bit on; this then turns off the archive bit.
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How does a differential backup handle the archive bits?
This includes only files with the archive bit on; this doesn't turn off the archive bit.
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How does a daily backup handle the archive bits?
This makes copies of all the files that have changed that day; it does not change the archive bits.
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What are two distance vector routing protocols?
RIP and BGP
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What are two link state routine protocols?
OSPF and IS-IS
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What wires are crossed on an ethernet crossover cable?
wires 1&3, and wires 2&6
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How do Teredo addresses start?
2001:0000/32
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How do 6to4 addresses start?
2002:/16
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How many wire pairs are used in 100BaseT?
2
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What features does SNMPv3 add beyond SNMPv2?
authentication and encryption
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