WGU d315 prep UPDATED ACTUAL Questions and CORRECT Answers

WGU d315 prep UPDATED ACTUAL
Questions and CORRECT Answers
(OSI) application layer physical component and function - CORRECT ANSWER -
application software, network applications. anything you can see like web browsers and email


(OSI)application layer protocols - CORRECT ANSWER - HTTP, FTP, SMIP, IMAP,
SMTP


(OSI)presentation layer physical component and function - CORRECT ANSWER - data
conversion utilities. protocol conversion, data translation. data encryption/decryption


(OSI)presentation layer protocols - CORRECT ANSWER - SSL, ASCII, JPEG, MIDI,
MPEG, GIF, MP3, MP4


(OSI)session layer physical component and function - CORRECT ANSWER - network
operating system. establishes and terminates sessions


(OSI)session layer protocols - CORRECT ANSWER - NFD, DQL, PPTP, NetBIOS, PAP,
SCP


(OSI)transport layer unit - CORRECT ANSWER - segments



(OSI)transport layer physical component and function - CORRECT ANSWER - network
operating system. ensures error free packets


(OSI)transport layer protocols - CORRECT ANSWER - TCP(segments so no missing
packets), UDP (datagrams for streaming like games), SCTP


(OSI)network layer unit - CORRECT ANSWER - packets

, (OSI)network layer physical component and function - CORRECT ANSWER - router.
layer 3 switches. provides routing decisions. NAT, PAT


(OSI)network layer protocols - CORRECT ANSWER - IP, IPX, IPSec, RIP, IPv4, IPv6,
ICMP


(OSI)data link layer unit - CORRECT ANSWER - frames



(OSI)data link layer physical component and function - CORRECT ANSWER - switches,
NIC, token ring, frame relay, bridge. provides for flow of data. NIC functions at this layer. bits
pass over physical layer between devices on a LAN(collision domain)


(OSI)data link layer protocols - CORRECT ANSWER - MAC addresses, ARP, PPP,
HDLC, LLC


(OSI)physical layer unit - CORRECT ANSWER - bits



(OSI)physical layer physical component and function - CORRECT ANSWER - 802.11,
repeater, modem, bluetooth, ethernet, hubs, network cabling, wi-fi. responsible for signals and
media


(OSI)physical layer protocols - CORRECT ANSWER - DSL, ISDN, physical NICs,
twisted pair cable, fiber


(TCP/IP) application layer function [OSI layers 7-5] - CORRECT ANSWER - - (7)
contains message, supports network applications
-(6)coding, compression, encryption, protocol conversion, data translation
-(5)aggregates connections for efficiency, synchronization, recovery. establishes, maintains and
terminates connection