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Question 1

Microsoft CHAP (MS-CHAP)

Answer 1

Microsoft-enhanced version of CHAP
*Two-way authentication.
*Hashed credential
*Most secure

Question 2

PAP Sent in the clear

CHAP Hashed credentials

MS-CHAP Hashed credential and most secure

Question 3

DHCP Relay

Answer 3

Forwards DHCP packets between clients and servers

Question 4

Types of Hypervisor

Answer 4

VMWare ESXi
Microsoft Hyper-V
VirtualBox
VMWare Workstation

Question 5

Network Attached Storage (NAS)

Answer 5

Disk storage delivered as a service over TCP/IP

Question 6

Storage Area Network (SAN)

Answer 6

Specialized LAN that transfers data at block-level with a special protocol

Question 7

InfiniBand

Answer 7

Virtualaized storage technology that uses a switched fabric topology and features very high throughput and very low latency

Question 8

Software-Defined Networking (SDN)

Answer 8

Provides an easy to use front end to configure physical and virtual devices throughout the ntework.

Question 9

Virtual Private Branch Exchange (PBX) and VoIP

Answer 9

Outsources a telephone system by utilizing VoIP to send all data to the provider and then connecting it to the telephone system

Question 10

Bandwidth Speed Test

Answer 10

Verifies the real-world throughput from a client device all the way out to the Internet and back

Question 11

iPerf

Answer 11

Tool that measuers maximum achievable bandwidth on an IP network

Question 12

NetFlow Analyzer

Answer 12

*Monitoring
*Troubleshooting
*In-depth inspection, interpretation and synthesis of traffic flow data

Question 13

Terminal Emulator

Answer 13

Allows a host computer to access another computer through a command-line interface or a graphical one using either Telnet or SSH

Question 14

IP Scanner

Answer 14

Used to search for and detect IP addresses and other information related to devices on the network

Question 15

Network Platform

Answer 15

Refers to any router, switch, or firewall regardless of the brand or manufacturer

Question 16

Dynamic NAT (DNAT)

Answer 16

Automatically assigns an IP address from a pool and gives a one-to-one translation to access external

Question 17

Network Address Translation (NAT)

Answer 17

Used to conserve the limited supply of IPv4 addresses

Question 18

Static NAT (SNAT)

Answer 18

Manually assigns an IP address and gives a one-to-one translation (access external)

Question 19

Port Address Translation (PAT)

Answer 19

Sharing of one public IP by multiple private IP addresses which gives a many-to-one translation

Question 20

Multicast Routing

Answer 20

Multicast sender sends traffic to a Class D IP address, known as a multicast group

Question 21

Access Control List (ACL)

Answer 21

Set of rules applied to router interfaces or FW that permit or deny certain traffic (IP/port/MAC)

Question 22

In-Band Management

Answer 22

Managing devices through the use of Telnet or SSH protocols over the network

Question 23

Out-of-Band Management

Answer 23

Connecting to and configuring different network devices using an alternate path or management network

Question 24

Secure Socket Layer (SSL)

Answer 24

Provides cryptography and reliability using the upper layers of the OSI model, specifically L 5, 6, & 7

Question 25

Transport Layer Security (TLS)

Answer 25

Provides secure web browsing over HTTPS

Question 26

Datagram Transport Layer Security (DTLS)

Answer 26

UDP-based version of the TLS protocol, which operates a bit faster due to having less overhead

Question 27

Access Control List (ACL)

Answer 27

A list of permissions associated with a given system or network resource

Question 28

Explicit Deny

Answer 28

Blocks matching traffic

Question 29

Implicit Deny

Answer 29

Blocks traffic to anything not explicitly specified

Question 30

Wireless Client Isolation

Answer 30

Prevents wireless clients from communicating with one another

Question 31

Guest Network Isolation

Answer 31

Keeps guests away from your internal network communications

Question 32

Pre-Shared Key (PSK)

Answer 32

Secures Wireless networks, including those protected with: WEP WPA WPA2 WPA3

Question 33

Layer 3 Redundancy

Answer 33

Used if the default gateway goes down and clients couldn't leave the subnet

Question 34

Multipathing

Answer 34

Creates more than one physical path between the server and its storage devices for better fault tolerance and performance

Question 35

Delay

Answer 35

The time a packet travels from source to destination

Question 36

Jitter

Answer 36

Uneven arrival of packets which is especially harmful in VoIP traffic

Question 37

Drops (packet)

Answer 37

Occurs during link congestion when a router's interface queue overflows and causes packet loss

Question 38

Network Performance Monitoring

Answer 38

Monitors the performance from the end user's workstation to the final destination they are trying to reach

Question 39

Latency

Answer 39

Time that it takes for data to reach its destination across a network

Question 40

Jitter

Answer 40

When a time delay in the sending of data packets over a network connection occurs

Question 41

Full Packet Capture

Answer 41

Captures the entire packet, including the header and the payload for all traffic entering and leaving a network

Question 42

NetFlow

Answer 42

Defines a particular traffic flow based on the different packets that share the same characteristics

Question 43

Zeek

Answer 43

*Passively monitors a network like a sniffer *Only logs full packet capture data of potential interest

Question 44

Broadcast Storm

Answer 44

Occurs when a network system is overwhelmed by continuous multicast or broadcast traffic

Question 45

Broadcast Address

Answer 45

Layer2 FF:FF:FF:FF:FF:FF Layer3 255.255.255.255

Question 46

Broadcast Domain

Answer 46

A logical division of a computer network where all nodes can reach each other by broadcast at the data link layer

Question 47

Logical Domain Manager

Answer 47

*Listens to multicast messages *Keeps track of the MAC address being used

Question 48

Multicast Flooding

Answer 48

*Switch is not multicast aware and treats multicast as broadcast *Enable IGMP on multicast aware switches

Question 49

Host-Based Firewall

Answer 49

Runs on an individual computer or device connected to the network to protect that one device

Question 50

Network-Based Firewall

Answer 50

Deployed in line with the network traffic flow to monitor and filter incoming and outgoing traffic based on established rule sets