NETWORKS

Question 1

Host/Client

Answer 1

Host: main computer; Other computers: Clients

Question 2

Hub

Answer 2

Routes information to all computers regardless if it’s the recipient or not

Question 3

Switch

Answer 3

Does essentially what a hub does, but more efficiently, by learning where particular addresses are on the network.

Question 4

Router

Answer 4

A device that forwards data across computer networks. Connects networks. “Little computers dedicated to the task of routing network traffic”

Question 5

Proxy Server

Answer 5

Acts as an intermediary for requests from clients seeking resources from other servers, ie internet

Question 6

Firewall

Answer 6

A device configured to permit or deny applications upon a set of rules

Question 7

VPN

Answer 7

Provides a secure tunnel connecting two hosts or networks

Question 8

LAN

Answer 8

Covers a small physical office or home

Question 9

WAN

Answer 9

Covers a broad area

Question 10

MAN

Answer 10

Usually spans a city or large campus

Question 11

GAN

Answer 11

Network composed of different interconnected computer networks and covers an unlimited geographical area

Question 12

OSI Layers

Answer 12

Layer 1: Physical 
Layer 2: Data Link
Layer 3: Network
Layer 4: Transport
Layer 5: Session
Layer 6: Presentation
Layer 7: Application

Question 13

TCP/IP Layers

Answer 13

Layer 1: Network Interface
Layer 2: Internet
Layer 3: Transport
Layer 4: Application

Question 14

What is the difference between IPv4 and IPv6

Answer 14

32bit and 128bit

Question 15

SIPRNET

Answer 15

Secret Internet Protocol Router Network

Question 16

NIPRNET

Answer 16

Non-classified Internet Protocol Router Network

Question 17

JWICS

Answer 17

Joint Worldwide Intelligence Communications System

Question 18

CSI

Answer 18

Cyber Security Inspection

Question 19

DNS

Answer 19

Domain Name Server translates domain names to IP addresses

Question 20

Virus

Answer 20

Software program designed to infect, destroy, modify, or cause other issues with your computer

Question 21

Worm

Answer 21

Self-replicating virus that does not alter files, but resides in the active memory and duplicates itself

Question 22

Trojan

Answer 22

A program that appears legitimate, but performs some illicit activity when it’s ran

Question 23

Backdoor

Answer 23

Remote administration that, once installed on a computer, allows a user access and control of it over a network or the internet

Question 24

Phishing

Answer 24

Criminally fraudulent process of attempting to acquire sensitive information such as usernames, passwords and credit card info by masquerading as a trustworthy entity in an e-mail

Question 25

Network enumeration

Answer 25

A computing activity in which usernames and info on groups, shares and services of networked computers are retrieved

Question 26

Buffer Overflow

Answer 26

An anomaly where a process stores data in a buffer outside the memory the programmer set aside for it

Question 27

SQL Injection

Answer 27

An attack in which malicious code is inserted into strings that are later passed to an instance of SQL server for parsing and execution

Question 28

Dictionary Attack

Answer 28

Method of breaking into a password-protected computer or server by systematically entering every word in a dictionary as a password

Question 29

Privilege Escalation

Answer 29

Act of exploiting a bug or design flaw in a software application to gain access to resources which normally would have been protected from an application or user

Question 30

Brute Force Attack

Answer 30

Technique used to break an encryption or authentication system by trying all possibilities

Question 31

Social Engineering

Answer 31

Practice of tricking a user into giving, or giving access to, sensitive information thereby bypassing most or all protection

Question 32

Network Topologies

Answer 32

Star, Mesh, Bus, Ring

Question 33

What kind of topology does CANES use

Answer 33

MESH

Question 34

SECREL

Answer 34

Secret Releasable

Question 35

Enclaves of SECREL

Answer 35

4: Japan, Korea, CMFP, CMFC

Question 36

DHCP

Answer 36

Dynamic Host Control Protocol

Question 37

Data Centers; How Many?

Answer 37

4 Data Centers NIPR/ 6 Data Centers SIPR

Question 38

Location of Primary Data Centers on NIPR

Answer 38

ADP

Question 39

Location of Primary Data Centers on SIPR

Answer 39

DBS

Question 40

What is Microsoft Exchange

Answer 40

Email Service

Question 41

What does PKI stand for

Answer 41

Public Key Infrastructure

Question 42

NTCSS Applications

Answer 42

RADM, RSUPPLY, OMMS-NG, NALCOMIS

Question 43

CANES

Answer 43

Consolidated Afloat Network and Enterprise Service

Question 44

Why is Screaming Eagle set

Answer 44

Degraded Bandwidth

Question 45

Why is River City set

Answer 45

It is situational

Question 46

What is affected when River City is set

Answer 46

Internet and email

Question 47

GCCS-M

Answer 47

Global Command and Control Systems Maritime

Question 48

``` Ports: 20 21 22 23 25 53 80 443 ```

Answer 48

``` 20 [FTP] 21 [FTP] 22 [SSH] 23 [TELNET] 25 [DNS] 53 [SMTP] 80 [HTTP] 443 [HTTPS] ```

Question 49

How many octets are in an IP Address?

Answer 49

4

Question 50

7 layers of OSI

Answer 50

``` 1- Physical 2- Data Link 3- Network 4- Transport 5- Session 6- Presentation 7- Application ```

Question 51

TCP/IP Model

Answer 51

Application, Transport, Internet, Network Access