OBJ 3.1 X Flashcards

1
Q

Bandwidth

A

Theoretical speed of data going across the network

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2
Q

Latency

A

o Time that it takes for data to reach its destination across a network

o High latency slows down overall network performance

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3
Q

Jitter

A

When a time delay in the sending of data packets over a network connection occurs

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4
Q

Traffic logs

A

Contains information about the traffic flows on the network

Traffic logs allow for investigation of any abnormalities

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5
Q

Audit logs

A

Contains a sequence of events for a particular activity

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6
Q

Syslog

A

Contains information about the operating system itself

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7
Q

Link state (up/down)

A

Communicates whether a given interface has a cable connected to it and a valid protocol to use for communication

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8
Q

Speed/duplex

A

o Full duplex occurs when devices can both communicate at the same time

o Half duplex occurs when devices can either transmit or receive, but cannot do both at the same time

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9
Q

Cyclic redundancy checks (CRCs)

A

Number of packets received that failed the cyclic redundancy checksum, or CRC check upon receipt

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10
Q

Giants

A

▪ Any Ethernet frame that exceeds the 802.3 frame size of 1518 bytes

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11
Q

Runts

A

An Ethernet frame that is less than 64 bytes in size

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12
Q

Baselines

A

▪ Set of specifications for an information system, or a configuration item within a system, that has been formally reviewed and agreed on

▪ Changes will be properly tested and approved to be part of the new
baseline

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13
Q

NetFlow data

A

▪ Defines a particular traffic flow based on the different packets that share the same characteristics
● Protocol interface
● IP version/type
● Source/destination IP
● Source/destination port
● IP service type

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