Network Servieces Flashcards

1
Q

DNS Server

A

Domain Name System
-Converts name to IP addresses

Distributed naming system
-The lead is balanced across many different severs

Usually managed by the ISP or enterprise IT department
- A critical resource

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2
Q

DHCP Server

A
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3
Q

File Server

A
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4
Q

print Server

A
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5
Q

Mail Server

A
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6
Q

Syslog

A
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7
Q

Web Server

A
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8
Q

Authentication Server

A

Login authentication to resources
-Centralized manafement

Almost alays an enterprise sevices
-not Required on a home network

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9
Q

Spam

A

Unsolicited Messages
-Email, Forums, ETC.

Various content
- Commercial proselutzying

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10
Q

Spam Gateways

A

Unsolicited Email
- Stop it at the gateway before it reaches the user

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11
Q

All-in-one Secutity Appliance

A

Next Gen firewall, Unified Threat Management (OTM) / Web security Gateway

URL filter / Contact inspection

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12
Q

Lead Blancers

A

Distribute the load
- Multiple servers
- Invisible

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13
Q

What are the load blancer features

A

Configurable load
- Manage across servers

TCP offload
- Protocol overhead

SSl Offload
- Encryption/ Decrypation

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14
Q

Procy Server

A

An intermediate Server
-Client makes the request to the procy
- the procy prefome the actuall request
-

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15
Q

SCADA / ICS

A

PC manages eqquipment

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16
Q

Legacy and Embedded Systems

A

Legacy Systems
- Another Expression for “really old”
-may also be “really important”
- Learning old things can be just as important as learning the new things

Embedded Systems
- Purpose - built Device
- Not usual to have direct access

17
Q

IoT(Internet Of Things) devices

A

Appliances
-Refrigerators

Smart devise
- Smart speakers respond to voice commands

Air Control
- Thermostats, Temperature Control

Access
- Smart doorbells

May require a segmented network
- Limit any Security Breaches