ExamComp 1101 - PTest 4

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Which of the following answers refer to the characteristic features of cable modems? (Select 3 answers) -Cabling that carries TV signals -Telephone lines -Coaxial cabling -Shared bandwidth -Twisted-pair copper cabling -Dedicated bandwidth

-Cabling that carries TV signals -Coaxial cabling -Shared bandwidth

Examples of connectionless protocols include: (Select 2 answers) -TCP -DHCP -SSH -TFTP -HTTPS

-DHCP -TFTP

Which of the answers listed below apply to DSL modems? (Select 3 answers) -Dedicated bandwidth -Cabling that carries TV signals -Shared bandwidth -Twisted-pair copper cabling -Telephone lines -Coaxial cabling

-Dedicated bandwidth -Twisted-pair copper cabling -Telephone lines

Which of the answers listed below refer to common applications that make use of TCP? (Select 3 answers) -Online gaming -Video conferencing -File transfer -Voice over IP (VoIP) -Email communication -Web browsing -Live streaming

-File transfer -Email communication -Web browsing

A solution that allows to supply electricity over standard Ethernet cables is known as: (Select 2 answers) -IEEE 802.3ab -PoE -Metro-Ethernet -IEEE 802.3af -PSTN

-PoE -IEEE 802.3af

The IEEE 802.3bt standard implements: (Select all that apply) -PoE -PoE+ -PoE++ -4PPoE

-PoE++ -4PPoE

Which of the following answers refer to connection-oriented protocols? (Select 2 answers) -DHCP -SSH -TFTP -UDP -HTTPS

-SSH -HTTPS

Which of the following answers refer(s) to common applications of UDP? (Select all that apply) -File transfer -Email communication -Web browsing -Video conferencing -Live streaming -Online gaming -Voice over IP (VoIP)

-Video conferencing -Live streaming -Online gaming -Voice over IP (VoIP)

An infrastructure device designed for connecting wireless/wired client devices to a network is commonly referred to as: -Captive portal -Access Point (AP) -Intermediate Distribution Frame (IDF) -Active hub

Access Point (AP)

Which of the following answers refers to a software or hardware that monitors network traffic and depending on the configuration settings applied to each data packet either blocks it or allows it to pass through? -HIDS -Firewall -Packet filter -Vulnerability scanner

Firewall

A network segment utilizing only this type of device is the most prone to network performance degradation due to large number of network collisions. -Bridge -Hub -Switch -Router

Hub

The disadvantage from using this device results from the fact that any incoming signal on any of its ports is re-created and sent out on any connected ports which has a negative impact on network performance. -Router -Switch -Bridge -Hub

Hub

Which IEEE standard implements PoE+? -IEEE 802.1d -IEEE 802.3at -IEEE 802.1X -IEEE 802.3ab

IEEE 802.3at

Which of the following answers refers to a dedicated device designed for supplying power over Ethernet cabling? -Inverter -Tap -Media converter -Injector

Injector

A type of layer 2 network switch with configuration features that can be modified through a user interface is known as: -Virtual switch -Multilayer switch -PoE switch -Managed switch

Managed switch

Which of the following answers refers to a computer's hardware component designed for enabling network access? -CPU -PSU -NIC -GPU

NIC

Which type of fiber-optic equipment can be found at a demarc? -MDI -IDF -ONT -MDF

ONT

A simple device consisting of multiple connector blocks and ports used for cable management is known as: -Media converter -Demarc -Main Distribution Frame (MDF) -Patch panel

Patch panel

A device designed to filter and transfer data packets between dissimilar types of computer networks is called: -Hub -Load balancer -Router -Switch

Router

Which of the answers listed below refers to a technology designed to simplify network infrastructure management? -SAN -SDN -SSP -SEH

SDN

Which of the following protocols runs on TCP port 445? -HTTPS -SMB/CIFS -IMAP -H.323

SMB/CIFS

Which of the answers listed below refers to a data-link layer device designed to forward frames between network segments? -Hub -Switch -Firewall -Router

Switch

A network technician uses Remote Desktop Protocol (RDP) client on their Windows OS to remotely troubleshoot a problem on another Windows machine. Which of the following ports needs to be opened for the built-in Windows RDP server to allow this type of network connection? -TCP port 1720 -TCP port 636 -TCP port 3389 -TCP port 445

TCP port 3389

Transmission Control Protocol (TCP) is a connection-oriented protocol using a three-way handshake, which is a set of initial steps required to establish network connection. TCP supports retransmission of lost packets, flow control (managing the amount of data that is being sent), and sequencing (rearranging packets that arrived out of order). -True -False

True

User Datagram Protocol (UDP) is an example of a connectionless protocol. Because UDP does not support a three-way handshake while establishing a network connection, it is referred to as an unreliable or best-effort protocol. -True -False

True


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