General

Question 1

What is used to support jumbo frames?

Answer 1

Have to increase the MTU

Question 2

Which remote technology should be sued as a desktop sharing system?

Answer 2

VNC

Question 3

Which authentication protocol option requires a client certificate on each wireless client?

Answer 3

EAP-TLS

Question 4

What is the default encryption protocol for WPA2?

Answer 4

CCMP-AES

Question 5

What will ensure continued availability without interruption if AC line power is lost?

Answer 5

UPS

Question 6

What should be done to avoid a bottleneck in a network with big file transfers?

Answer 6

Trunks with port agression

Question 7

What is an example of multi-factor authentication?

Answer 7

Facial recognition and PIN

Question 8

What should be used to see if traffic is being encrypted?

Answer 8

Packet analysis

Question 9

What is the most common attack used to compromise user passwords?

Answer 9

Brute force

Question 10

Name the 7 steps in the troubleshooting methodology?

Answer 10

Identify
Establish
Test Theory
Plan
Implement 
Verify and preventative measures 
Document

Question 11

What protocol provides time synchronisation over the internet?

Answer 11

NTP

Question 12

At what layer does the SMTP protocol operate?

Answer 12

Application

Question 13

At what layer does the ICMP protocol operate at?

Answer 13

Network

Question 14

What should be used to open a remote command session to run command-line commands?

Answer 14

SSH (secure shell)

Question 15

What card does a test laptop have?

Answer 15

Single-band wireless card

Question 16

What features does a public cloud have?

Answer 16

Subscribed features, access is driven by an agreement with little control

Question 17

What type of vulnerability does not show on a vulnerability scan?

Answer 17

Zero day

Question 18

What is a MAN?

Answer 18

Network that spans a city, with high speed communication

Question 19

What is the advantage of a DMVPN?

Answer 19

Scalable and secure

Question 20

Which protocol is open and vendor-neutral for accessing and maintaining directory services?

Answer 20

LDAP

Question 21

What is the last step in the troubleshooting methodology?

Answer 21

Documenting

Question 22

What is fiber attenuation?

Answer 22

Signal loss

Question 23

What is a duplex?

Answer 23

Identifies bidirectional communication system?

Question 24

Where is cabling and equipment documented in detail?

Answer 24

MDF documentation

Question 25

What are the two main differences between hubs and switches?

Answer 25

Hubs operate at layer 1, switches at layer 2 | Hubs don't understand MAC addresses

Question 26

What is a bottleneck?

Answer 26

Flow of data is impaired or stopped

Question 27

What is SNMP?

Answer 27

Used to monitor and manage network devices

Question 28

What is IPS?

Answer 28

System that blocks a network attack

Question 29

What is a NGFW?

Answer 29

Firewall that classifies traffic and applies policies

Question 30

What is a RADIUS server?

Answer 30

Device that authenticates VPN users

Question 31

What does a port scanner do?

Answer 31

Can PING, see open ports, and see services running on ports

Question 32

How does a firewall filter and at what layer?

Answer 32

Filters by port number. Layer 4

Question 33

What does a router do and at what layer?

Answer 33

Routes traffic between IP addresses, and connect network types. Layer 3

Question 34

What does a hub do and at what layer?

Answer 34

Send to every port (it's repeated). Layer 1

Question 35

What does a switch do and at what layer?

Answer 35

Sends to specific destination. Layer 2

Question 36

How does an IDS/IPS identify vulns?

Answer 36

Signature, anomaly, behaviour, heuristics

Question 37

What software is used for IDS/IPS?

Answer 37

Snort

Question 38

What are packet shapers?

Answer 38

Control bandwidth usage and data rates

Question 39

What do VPN's do?

Answer 39

Encrypt data transferring over a public network

Question 40

What does PtP protocol provide?

Answer 40

Error detection but no encryption

Question 41

Explain SSL VPN

Answer 41

Uses SSL protocol for client to site communication

Question 42

Where does IPSec operate?

Answer 42

Security for Layer 3 (encrypts and authenticates every packet)

Question 43

What does traffic shaping do?

Answer 43

Buffers excess traffic

Question 44

What does traffic policing (throttling) do?

Answer 44

Drop excess packets