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CISSP > Domain 4: Communication and Network Security Pt 2 > Flashcards

Domain 4: Communication and Network Security Pt 2 Flashcards

1
Q
  • LAN Technology
  • Numerous devices communicate over the same medium but take turns in communicating i.e. full and half duplex
  • Broadcast and collision domain
A

Ethernet

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2
Q
  • LAN Technology
  • Uses a token-passing mechanism to control which systems can transmit data over the network medium
  • Employed on ring or star network topologies
A

Token Ring

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3
Q
  • LAN Technology
  • High-speed employs two token rings with traffic flowing in opposite directions
  • Often used as a backbone for large enterprise networks
  • Dual ring design allows for self-healing removing the failed segment from the loop
A

Fiber Distributed Data interface (FDDI)

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4
Q

Name some protocols listed in the OSI Application layer

A

HTTP, FTP, LPD, SMTP, Telnet, TFTP, EDI, POP3, IMAP, SNMP, NNTP, S-RPC, and SET

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5
Q

Name some protocols listed in the OSI Presentation layer

A

Encryption protocols and format types, such as ASCII, EBCDICM, TIFF, JPEG, MPEG, and MIDI

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6
Q

Name some protocols listed in the OSI Session layer

A

NFS, SQL, and RPC

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7
Q

Name some protocols listed in the OSI Transport layer

A

SPX, SSL, TLS, TCP, and UDP

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8
Q

Name some protocols listed in the OSI Network layer

A

ICMP, RIP, OSPF, BGP, IGMP, IP, IPSec, IPX, NAT, and SKIP

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9
Q

Name some protocols listed in the OSI Data Link layer

A

SLIP, PPP, ARP, L2F, L2TP, PPTP, FDDI, ISDN

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10
Q

Name some protocols listed in the OSI Physical layer

A

EIA/TIA-232, EIA/TIA-449, X.21, HSSI, SONET, V.24, and V.35

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11
Q

What protocol and port does Line Print Daemon (LPD) use?

A

TCP Port 515

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12
Q

What protocol and port does Simple Mail Transfer Protocol (SMTP) use?

A

TCP port 25

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13
Q

What protocol and port does Post Office Protocol (POP3) use?

A

TCP port 110

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14
Q

What protocol and port does Internet Message Access Protocol (IMAP) use?

A

TCP port 143

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15
Q
  • Cables that transmit only a single signal at a time
  • Most networking cables
  • Form of a digital signal
  • i.e. Ethernet
A

Baseband

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16
Q
  • Cables that transmit multiple signals simultaneously
  • Form of a analog signal
  • i.e. Cable TV and modems, ISDN, DSL, T1, and T3
A

Broadband

17
Q
  • Rely on a timing or clocking mechanism embedded in the data stream
  • Supports high rates of data transfer
A

Synchronous communications

18
Q

Continuous signal that varies in frequency, amplitude, phase, voltage, and so on

A

Analog Communications

19
Q
  • Uses a direct current voltage where voltage on represents value of 1 and voltage off represent value of 0
  • More reliable over long distances or when interference is present
A

Digital communication

20
Q
  • Type of coaxial cable

- Can span distances of 185 meters and throughput up to 10 Mbps

A

10Base2 (thinnet)

21
Q
  • Type of coaxial cable

- Can span distances of 500 meters and throughput up to 10 Mbps

A

10Base5 (thicknet)

22
Q
  • Rely on a stop and start delimiter bit to manage the transmission of data
  • Best suited for smaller amounts of data
  • i.e. PSTN modems
A

Asynchronous communications

23
Q
  • Contains a metal foil wrapper that goes around the wires underneath the external sheath
  • Reduces EMI and are more expensive
A

Shielded twisted-pair (STP)

24
Q

Twisted-pair cabling without the metal foil wrapper

A

Unshielded twisted-pair (UTP)

25
Q
  • UTP cable type
  • Max speed: 10 Mbps
  • Distance: 100 meters
  • Difficulty of installation: Low
  • Susceptibility to EMI: High
A

10BaseT

26
Q
  • UTP cable type
  • Max speed: 100 Mbps
  • Distance: 100 meters
  • Difficulty of installation: Low
  • Susceptibility to EMI: High
A

100BaseT/100BaseTx

27
Q
  • UTP cable type
  • Max speed: 1 Gbps
  • Distance: 100 meters
  • Difficulty of installation: Low
  • Susceptibility to EMI: High
A

1000BaseT

28
Q
  • Max speed: 155 Mbps
  • Distance: 100 meters
  • Difficulty of installation: Medium
  • Susceptibility to EMI: Medium
A

STP

29
Q
  • Max speed: 2+ Gbps
  • Distance: 2+ kilometers
  • Difficulty of installation: High to medium
  • Susceptibility to EMI: None
A

Fiber-optic

30
Q
  • Consists of four pairs of wires that are twisted around each other then sheathed in a PVC insulator
  • The tighter the twist the more resistant the cable is to internal and external interference and crosstalk, thus the capacity for bandwidth is greater
  • i.e. shielded twisted-pair (STP) and unshielded twisted-pair (UTP)
A

Twisted-pair cabling

CISSP (30 decks)

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