Domain 6: Networks Flashcards

1
Q

Permanent Virtual Circuit (PVC)

A

Connection between endpoints where carrier configs routes, speeds, etc.

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2
Q

Switched Virtual Circuit (SVC)

A

Dynamically configed circuit routes when circuit is used. Less expensive.

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3
Q

Layer 2 Forwarding (L2F)

A

Created by cisco. Tunnels that don’t require encryption. Mostly Dialup. Port 1701

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4
Q

IPSEC IKE use

A

exchanging symmetric key

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5
Q

IPSEC AH

A

Sender authentication & integrity

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6
Q

IPsec ESP

A

“Encrypts the packet.”

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7
Q

IPsec Security Association

A

SA. Agreed-upon symmetric algorithm

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8
Q

Bastion hosts

A

Hardened and permit external access. aka DMZ hosts

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9
Q

MAC limiting

A

Max number of MAC addresses that can be learned on a specific interface or all interface.

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10
Q

SPI

A

Stateful Packet Inspection

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11
Q

Clipping level

A

Level above baseline that generates an alarm

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12
Q

IDS/IPS Behavior based detection

A

Monitoring deviations from baseline

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13
Q

IDS/IPS Signature based detection

A

Monitors based on previously determined signatures

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14
Q

IDS/IPS Anomaly-based detection

A

Behavior based with automated baseline adjustment

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15
Q

IDS/IPS Heuristic based detection

A

Learning system that uses algorithms to make decisions. Can be inaccurate and fast.

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16
Q

Yagi antenna

A

Directional antenna with multiple rods. Can have high directionality and gain.

17
Q

Traffic shaping

A

Prioritizes packets based on traffic profile.

18
Q

F/FTP & S/FTP

A

Shielded twisted pair. F is foil. S is braided shield.

19
Q

Baseband

A

One way at a time. Occupies entire media.

20
Q

Broadband

A

Multiple signals on single media.