Final Exam Study Guide

Question 1

What is the popular protocol for today’s VPNs?

Answer 1

PPTP, L2TP, SSL.TLS, OpenVPN, IPsec VPN

Question 2

Where do static VLANs assign VLANS to?

Answer 2

Ports

Question 3

What is the most common method used to configure a LAN-capable switch?

Answer 3

SSH

Question 4

What layer of the OSI model does a content switch work?

Answer 4

Layer 7

Question 5

What does an IDS do?

Answer 5

Inspects packets, looking for active intrusions.

Question 6

What client is needed to access IPv6 content on the internet?

Answer 6

Global unicast address

Question 7

Is NAT needed with IPv6?

Answer 7

No, router advertisements are used

Question 8

What is required to receive an IPv6 address automatically?

Answer 8

Multicast address

Question 9

What kind of DNS records do IPv6 addresses use?

Answer 9

AAAA record

Question 10

What service do tunnel brokers provide?

Answer 10

Create an actual tunnel to offer a custom-made endpoint client

Question 11

What device do you use to connect to a T1 line?

Answer 11

RJ-48C

Question 12

What is SONET used for?

Answer 12

Long-distance, high-speed, fiber-optic transmissions

Question 13

What protocol do cable modems use?

Answer 13

DOCSIS

Question 14

What device provides the fastest throughput?

Answer 14

DWDM

Question 15

What does SIP stand for?

Answer 15

Session Initiation Protocol

Question 16

Which technology enables the use of a WAP without directly connecting the WAP to an AC power outlet?

Answer 16

PoE

Question 17

Where should the WAP be placed to achieve maximum Wi-Fi coverage?

Answer 17

Center of a room

Question 18

What is known as a Basic Service Set in infrastructure mode?

Answer 18

A single WAP

Question 19

What is the most secure method of wireless encryption?

Answer 19

AES

Question 20

What consumer electronics cause interference with 802.11n wireless networks?

Answer 20

Mobile phone

Question 21

What are the advantages of a virtual machine over a physical machine?

Answer 21

Power saving, hardware consolidation, system recovery, system duplication, and research

Question 22

What needs to be upgraded on a host machine to enable running more virtual machines simultaneously?

Answer 22

RAM

Question 23

What feature lets you save a VM’s state so you can quickly restore to that point?

Answer 23

snapshot

Question 24

What enables 2 VMs hosted on the same physical machine to communicate without leaving the machine itself?

Answer 24

hypervisor

Question 25

If you don’t own a server, what can you do to quickly create a new server to run a new service?

Answer 25

public cloud

Question 26

What cellular WAN technology introduced the SIM card?

Answer 26

GSM

Question 27

In order to pair to another Bluetooth device, the device must be set to what?

Answer 27

discovery or discoverable mode

Question 28

A thermostat that you can control with an app on your smartphone, is an example of what?

Answer 28

IoT

Question 29

What network technology does a TV remote use?

Answer 29

IR

Question 30

How can you reduce your vulnerability to an open SSID?

Answer 30

Running HTTPS

Question 31

What is a unique server function?

Answer 31

Network authentication

Question 32

What standard is used by most NAS devices to enable them to connect easily to almost any network?

Answer 32

CIFS

Question 33

Adding a generator to a server room is an example of what?

Answer 33

Power redundancy

Question 34

What is the centerpiece of an ICS?

Answer 34

ICS server

Question 35

What must be completed during and after change to the IT infrastructure?

Answer 35

Document changes

Question 36

What is the job of a first responder?

Answer 36

Deciding whether an incident should be addressed, ignored, or escalated; evaluate scope and cause; preventing further disruption; resolving cause; restoring order to affected systems; and identifying ways to prevent a recurrence.

Question 37

What is succession planning?

Answer 37

Identifying people who can take over certain positions in case the people holding those critical positions are incapacitated or lost in an incident.

Question 38

When working inside equipment, what should you do?

Answer 38

Properly connect an anti-ESD wrist strap

Question 39

The placement of a rack should optimize what?

Answer 39

Optimize the airflow

Question 40

A hacker who sends an email but replaces the return email with a fake one is called what?

Answer 40

Spoofing

Question 41

What is an attack where someone tries to hack a password using every possible password permutation?

Answer 41

Brute force

Question 42

What kind of attack occurs when a user’s machine is locked to a screen telling the person they must call a number to gain access.

Answer 42

Ransomware

Question 43

A compromised computer with malware to support a botnet is a what?

Answer 43

DDoS

Question 44

What is Wireshark?

Answer 44

Protocol analyzer

Question 45

Where does a packet sniffer store collected information?

Answer 45

Capture file

Question 46

What tools allows you to compare network performance with a baselined network performance?

Answer 46

Graphing program

Question 47

What tool allows you to capture and analyze traffic between two workstations?

Answer 47

Performance monitor

Question 48

Know the troubleshooting steps

Answer 48

Establish a theory of probable cause, Test the theory to determine cause, Establish a plan of action and identify potential effects, Implement the solution or escalate as necessary, verify full system functionality and implement preventative measures, and Document findings, actions, and outcomes

Question 49

Know what you should be doing during Problem Isolation.

Answer 49

Identify problem by gathering information, duplicate problem, question users, and identify symptoms. Determine in anything has changed the network. Approach multiple problems individually.