enterprise final exam pt 2

Light experiences virtually no resistance when traveling through glass

Which of the following statements about fiber-optic cabling is accurate?

Cat 5e, Cat 6a, Cat 7

Which of these categories of twisted-pair cable can support Gigabit Ethernet?

Infrared

Which one of the following wireless transmission types requires a clear line of sight (LOS) to function?

TCP

Which protocol's header would a Layer 4 device read and process?

Bluejacking

A hacker takes advantage of a Bluetooth connection to send a virus to a user's phone. What kind of security breach has occurred?

NFC

A user swipes her smartphone across a tag on a poster to obtain showtimes for a movie she wants to see later that evening. What wireless technology transmitted the data?

Network layer

At which OSI layer does IP operate?

1500 bytes

By default, what is the MTU size on a typical Ethernet network?

Beacon frame

In the context of wireless networking, _______ is a frame issued by an access point to alert other nodes of its existence

Site survey

In the context of wireless networking, an assessment of client requirements, facility characteristics, and coverage areas to determine an access point arrangement that will ensure reliable wireless connectivity within a given area.

Association

In the context of wireless networking, the following is the communication that occurs between a wireless client and an access point enabling the client to connect to the data

Decibels

Noise that can degrade or distort a signal on a network is measured with what unit?

Border gateway protocols

Routing protocols that enable routers to communicate beyond neighborhood routers, allowing each router to independently map the network, are known as which type of protocols?

BGP

Which routing protocol does an exterior router use to collect data to build its routing tables?

Registered jack 11 (RJ-11)

Telephone connections follow what registered jack standard?

TCP

The IP connectionless protocol relies on what other protocol to guarantee delivery of data?

Bandwidth

Which transmission characteristic is never fully achieved?

Dynamic routing

The following is a method of routing that automatically calculates the best path between two networks and accumulates this information in a routing table

MAC filtering

The following is a security measure that prevents an AP or a switch from authenticating any device whose MAC address is not listed by the network administrator as an approved device.

Paired

The following is a term used to describe two Bluetooth devices that are communicating with each other

Ad-hoc

The following is a type of wireless LAN in which stations communicate directly with each other (rather than using an access point)

Mesh

The following is a wireless network in which multiple APs work as peer devices on the same network, thereby providing more fault-tolerant network access to clients

Scanning

The following is the process by which a wireless station finds an access point

Statistical Time Division Multiplexing (STDM)

Utilizing time slots that are adjusted according to priority and need is an example of what type of multiplexing on copper lines?

Checksum

What field in a TCP segment is used to determine if an arriving data unit exactly matches the data unit sent by the source?

Cat 6a

What is the earliest twisted-pair cabling standard that meets the minimum requirements for 10GBase-T transmissions?

Layer 3

What is the lowest layer of the OSI model at which wired and wireless transmissions share the same protocols?

Coaxial cable, F-connector

What kind of cable uses BNC connectors? Which connector is likely to be used by cable TV?

Static route

What kind of route is created when a network administrator configures a router to use a specific path between nodes?

A customer modem is continuously losing signal due to large distance from the transmitting device.

What statement describes a transmission flaw that is occurring due to attenuation?

802.11n

Which 802.11 standard can be used in both the 2.4-GHz and the 5-GHz bands?

Class 1

Which Bluetooth class has the highest power output?

Network layer

Which OSI layer is responsible for directing data from one LAN to another?

CSMA/CA

Which carrier sense technology is used on wireless networks to reduce collisions?

Evil twin

You just settled in for some study time at the local coffee shop, and you pause long enough to connect your computer to the Wi-Fi so you can listen to some music while you study. As you're about to sign in, you realize you clicked on an SSID called "Free Coffee and Internet." What kind of security trap did you almost fall for?

Rogue AP

You've just completed a survey of the wireless signals traversing the airspace in your employer's vicinity, and you've found an unauthorized AP with a very strong signal near the middle of the 100-acre campus. What kind of threat do you need to report to your boss?

Captive portal

________ is the first page displayed by a client's browser when the client connects to a guest network. This page usually requires the user to agree to a set of terms and conditions before gaining further access to the guest network.

Multiplexing

_________ is a form of transmission that allows multiple signals to travel simultaneously over one medium

Z-Wave

_________ is a smart home protocol that provides two basic types of functions: signaling to manage wireless connections, and control to transmit data and commands between devices

War driving

___________ is the act of driving around an area while running a laptop configured to detect and capture wireless data transmissions