Things I Didn't Know

Question 1

What is used to provide the capability for remote control, real-time monitoring, and gathering information related to industrial equipment?

Answer 1

Industrial Control System (ICS)

Question 2

3 Technologies Used to communicate in a WPAN

Answer 2

• Bluetooth
• Near Field Communication (NFC)
• Infrared

Question 3

DCS

Answer 3

Distributed Control System

Question 4

SCADA

Answer 4

Supervisory Control and Data Acquisition

Question 5

APIPA address starts with…

Answer 5

169.254

Question 6

VRRP

Answer 6

Virtual Router Redundancy Protocol

Question 7

HSRP

Answer 7

Hot Standby Router Protocol

Question 8

SPB

Answer 8

Shortest Path Bridging

Question 9

IPX/SPX

Answer 9

Internetwork Packet Exchange/Sequenced Packet Exchange

Question 10

DSCP

Answer 10

Differentiated Services Code Point

QoS, CoS etc.

Question 11

What does iSCSI do?

Answer 11

Link data storage components

Question 12

LDAP

Answer 12

Lightweight Directory Access Protocol

Question 13

NAS

Answer 13

Network Attached Storage

Question 14

HSPA+

Answer 14

Evolved High Speed Packet Access

Question 15

SAN

Answer 15

Storage Area Network

Question 16

Fibre Channel

Answer 16

A high-speed network technology primarily used to connect computer data storage.

Question 17

A type of software embedded into a hardware device.

Answer 17

BIOS and Firmware

Question 18

RSTP

Answer 18

Rapid Spanning Tree Protocol

Question 19

802.1d

Answer 19

Spanning Tree Protocol (STP)

Question 20

802.1w

Answer 20

Rapid Spanning Tree Protocol (RSTP)

Question 21

802.3af

Answer 21

Power over Ethernet (PoE)

Question 22

802.3at

Answer 22

Power over Ethernet Plus (PoE+)

Question 23

LWAPP

Answer 23

Light Weight Access Point Protocol is the name of a protocol that can control multiple Wi-Fi wireless access points at once.

Question 24

DAI

Answer 24

Dynamic ARP Inspection

Question 25

eDisocovery

Answer 25

eDiscovery is the term that refers to the process of evidence collection through digital forensics.

Question 26

VLAN pooling

Answer 26

VLAN poolingis a feature that enables you to group multiple wireless controllerVLANsto form aVLAN pool. Configure aVLAN poolto load-balance sessions evenly across multipleVLANs

VLAN pooling provides a method by which administrators can deploy pools of multiple VLANs from which clients are assigned, thereby automatically segmenting large groups of clients into smaller subgroups, even when connected to the same SSID.

Question 27

Notice of Legal Hold

Answer 27

A legal hold is a process that an organization uses to preserve all forms of relevant information when litigation is reasonably anticipated. If a legal hold notice has been given to the backup service, they will not destroy the old backup tapes until the hold is lifted.

______________________

A samplelitigation hold notice(also known as alegal hold noticeor document preservationnotice) from in-house counsel of a company facinglitigation, a government investigation, or an audit to employees about their obligation to preserve, and prevent the deletion or destruction of, relevant information and records.

Question 28

LWAPP

Answer 28

LWAPP is a standard single point that allows quick and efficient management of multiple wireless devices at a time.

Question 29

ATM cells

Answer 29

In the data link layer (layer 2) of the OSI model, the basic unit of transfer is called a frame. In an ATM network, these frames are called cells and are of a fixed (53 octets or bytes) length that allows for faster switching of the cells across the network.

Question 30

At which of the following OSI layer does QoS operate?

Answer 30

Quality of Service (QoS) occurs at both Layer 2 and Layer 3 of the OSI Model.

Question 31

A company is having a new T1 line installed. Which of the following does this connection MOST likely terminate to?

Answer 31

The telecom company usually terminates the circuits at the Main Distribution Facility (MDF).

Question 32

Tim is a network administrator who is setting up three additional switches in his test lab. While configuring the switches, he is verifying the connectivity but finds that when he pings one of the switches using its IP address, he receives “Destination Unreachable”. What kind of issue is this?

Answer 32

Misconfigured Split Horizon

Explanation

Split horizon is a method of preventing a routing loop in a network. If it is misconfigured, the switches would be unable to communicate with each other. None of the other answers provided would prevent communication between the switches.