Networking I Exam 2 Study Set

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Netstat

What utility displays TCP/IP statistics and details about connections such as what port they use?

Root Server

Which computers are the highest authorities in the Domain Name System hierarchy?

IP (internet protocol)

Which of the following is an unreliable, connectionless protocol that relies on TCP to ensure messages reach the correct application on the receiving host.

Tone Locator (Probe)

Which part of a toner and probe kit emits an audible tone when it detects electrical activity on a wire pair?

Single-mode

_____ fiber optic cable is used for long distance data links and provides the highest throughput for Wide Area Networks.

Ethernet

What standard adds the Header and Trailer in Layer 2?

Public Key encryption

What type of Key Encryption uses two separate keys?

Default Gateway

What type of device does a computer turn to first when attempting to make contact with a host with a known IP address on another external network?

NAT (Network Address Translation)

A technique designed to conserve public IP address needed by a Network?

Rollover Cable

A ______ Cable reverses all of the wires and is used to connect a PC to the console port of a router.

DNS

A host name-to-address resolution protocol

TCP

Flow control, Sequencing, and Checksums are all properties of what layer 4 protocol?

48 bits

How many Bits in a MAC Address?

time to live

In an IPv4 header, the _____ field indicates how many routers a packet may pass through on a network.

TLS, SSL (layer 4+), IPSec (layer 3)

List a name of a protocol used to encrypt TCP/IP transmissions.

ICMP

Management protocol for IPv4 that provides hosts with information about network problems and is used for network error reporting, and sends and receive echo requests.

ARP

Protocol that works in conjunction with IPv4 to discover the MAC address of a host or node on the local network

Confidentiality, Integrity, Availability

The CIA Triad consists of what three things

OUI

The _____of a MAC address is unique to each manufacturer.

Cat 5e

The minimum category of UTP cable required in order to support Gigabit Ethernet speeds is CAT _____.

Diameter of the core

The primary difference between multi-mode and single-mode optical fiber construction is the _____.

DHCP

The protocol responsible for providing IP addresses to network hosts

checksum

What TCP header field allows the receiving node to determine whether a TCP segment is corrupted during transmission?

SFTP provides authentication and encryption where as TFTP provides neither.

What is different between TFTP and SFTP?

VPN

What is the name for a network connection encrypted from end to end that creates a private connection to a remote network


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