Week 8 Flashcards

1
Q

ARP stands for

jpresuello

A

Address Resolution Protocol

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2
Q

jpresuello

A

API

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3
Q

Called as the PHONE BOOK of the INTERNET; Converts website domain names to numerical IPs

jpresuello

A

Domain Name System

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4
Q

jpresuello

A

DHCP

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5
Q

arrangement of the elements of a communication network

jpresuello

A

Topology

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6
Q

Network layer protocol used to diagnose network communication issue

jpresuello

A

ICMP

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7
Q

Number of bits for IPv4

jpresuello

A

32 bits

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8
Q

Number of bits for IPv6

jpresuello

A

128 bits

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9
Q

an approach to network management that enables dynamic, programmatically efficient network configuration in order to improve network performance and monitoring making it more like cloud computing than traditional network management.

jpresuello

A

Software Defined Networking

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10
Q

jpresuello

A

OSPF

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11
Q

jpresuello

A

SNMP

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12
Q

jpresuello

A

Network Component

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13
Q

What layer does repeaters work

jpresuello

A

PHYSICAL (Layer 1)

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14
Q

multiport repeater

jpresuello

A

Hub

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15
Q

LAN device used to connect LAN segments

jpresuello

A

Bridge

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16
Q

jpresuello

A

Forwarding Tables

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17
Q

jpresuello

A

Routing Tables

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18
Q

What algorithm does Bridges use?

jpresuello

A

Spanning Tree Algorithm

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19
Q

What layer does router work?

jpresuello

A

Layer 3 (Network)

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20
Q

combine the functionality of a repeater and the functionality of a bridge

jpresuello

A

Switch

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21
Q

general term for software running on a device that connects two different environments and acts as a translator for them or restricts their interactions.

jpresuello

A

Gateway

22
Q

private telephone switch that is located on a company’s property.

jpresuello

A

Private branch Exchange (PBX)

23
Q

Default port of POP3

jpresuello

A

110 (default)
995 (Secured)

24
Q

Default port of IMAP

jpresuello

A

143 (default)
993 (Secured)

25
Q

What does VLAN utilize?

jpresuello

A

Packet Tagging (802.1Q)

26
Q

Described as CHOKE POINT because all communication should flow through IT and where traffic is inspected and restricted

A

FIREWALL

27
Q

Which layer does stateful inspection fw work?

jpresuello

A

L3 (network) and L4 (transport)

28
Q

intercepts and inspects messages before delivering them to the intended recipients

jpresuello

A

Proxy FIrewalls (2nd Gen)

29
Q

Another name of locked down or hardened system?

jpresuello

A

Bastion Host

30
Q

a server(a computer system or an application) that acts as an intermediary for requests from clients seeking resources from other servers.

jpresuello

A

Proxy Server

31
Q

Approach to information security where a single hardware or software installation provides multiple security functions

jpresuello

A

Unified Threat Management (UTM)

32
Q

geographically distributed network of proxy servers and their data centers.

jpresuello

A

Content Distribution Network (CDN)

33
Q

Any computing device that is connected to the network but does not mediate anything in the network

jpresuello

A

endpoint

34
Q

a computer that usually sits in the screened subnet or DMZ and attempts to lure attackers to it instead of to actual production computers

jpresuello

A

Honeypot system

35
Q

attempts to unify endpoint security technology

jpresuello

A

Network Access Control

36
Q

a backbone that connects LANs to each other and LANs to WANs

jpresuello

A

Metropolitan Area Network (MAN)

37
Q

a standard for telecommunications transmissions over fiber-optic cables

jpresuello

A

SONET

38
Q

required when digital equipment will be used to connect a LAN to a WAN.

jpresuello

A

Channel Service Unit/Data Service Unit (CSU/DSU)

39
Q

What device converts digital signals from routers, bridges, and multiplexers into signals that can be transmitted over the telephone company’s digital lines

jpresuello

A

Data Service Unit (DSU)

40
Q

a method by which multiple analog or digital signals are combined into one signal over a shared medium.

jpresuello

A

Multiplexing

41
Q

Two types of switching

jpresuello

A

Packet Switching and Circuit Switching

42
Q

a WAN protocol that operates at the data link layer

jpresuello

A

Frame Relay

43
Q

True of False: Is frame relay cost based on the amount of bandwidth used?

jpresuello

A

True

44
Q

Who owns Data Terminal Equipment?

jpresuello

A

Customer

45
Q

Frame Relay equipment owned by Service Provider?

jpresuello

A

Data Circuit-Terminating Equipment

46
Q

Protocol that provides any-to-any connection and a packet switching technology

jpresuello

A

X.25

47
Q

Uses a cell-switching and good carrier of video and voice connections

jpresuello

A

Asynchronous Transfer Mode

48
Q

What does Synchronous Data Link Control (SDLC) support?

jpresuello

A

error correction and multipoint links

49
Q

IEEE standard that defines token ring media access method

jpresuello

A

802.5

50
Q

bit-oriented code-transparent synchronous data link layer protocol developed by the International Organization for Standardization

jpresuello

A

High-Level Data Link COntrol