Network and Security - Foundations -
C172 - Most Import Materials for Final
Objective Assessment Test
2.4GHz Correct Answer- Frequency ranges of 802.11G/802.11B
3 Correct Answer- Non overlapping 802.11 DSSS channels
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Network and Security - Foundations -
C172 - Most Import Materials for Final
Objective Assessment Test
2.4GHz Correct Answer- Frequency ranges of 802.11G/802.11B
3 Correct Answer- Non overlapping 802.11 DSSS channels in america
5GHz Correct Answer- Frequency ranges of 802.11AC/802.11A
10.X, 172.16.X-172.32.X, 192.168.X Correct Answer- Private Addresses Range
14 Correct Answer- Amount of channels implemented with 802.11 DSSS
802.11a/Wireless-A Correct Answer- wireless 5GHz - 54Mbps - *75ft*
802.11ac/Wireless-AC Correct Answer- 5GHz - *1.3Gbps*
802.11b/Wireless-B Correct Answer- wireless 2.4GHz - *11Mbps* - 100-150ft
802.11g/Wireless-G Correct Answer- 2.4GHz - *54Mbps - 150ft*
802.11n/Wireless-N Correct Answer- 2.4GHz - *200+Mbps*
Application Layer (TCP/IP) Correct Answer- Defines the applications used to process requests
and which ports and sockets are used
Application Layer Correct Answer- Layer 7 in the OSI model. Support for applications. Examples:
HTTP, FTP, SMTP
ARP Cache Poisoning Attack Correct Answer- An attack in which an attacker changes the MAC
addresses of the ARP cache, or "poisons the ARP cache" of victims to the MAC address of the
attacker so that conversations get redirected to the attacker
Brute-Force Attack Correct Answer- An attack in which the attacker uses every possible
combination of characters to guess the password
Buffer Overflow Correct Answer- A situation that occurs when a program tries to put more data
into a buffer than it was configured to hold
CAT 5 Correct Answer- Supports 100Mbps transmission speeds at 100-meter segments.
Bandwidth: 100MHz
CAT 5e Correct Answer- Supports 1000Mbps transmission speeds at 100-meter segments.
Bandwidth: 100MHz
CAT 6 Correct Answer- Supports 1000Mbps transmission speeds at 100-meter segments.
Bandwidth: 250+MHz
CAT 6a Correct Answer- Supports 10Gbps transmission speeds at 100-meter segments.
Bandwidth: 500+MHz
Data Link Layer Correct Answer- Layer 2 in the OSI model. Provides for the flow of data.
Examples: MAC addresses.
Denial of Service Attack/DoS Correct Answer- An attack in which service is denied to a
computer, network, or server
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