WGU d315 prep Questions with 100%
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
(TCP/IP) transport layer function [OSI layer 4] Correct Answer: ensures error-free
packets. transfers and resends messages. responsible for breaking up data into
segments
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
(TCP/IP) transport layer function [OSI layer 4] Correct Answer: ensures error-free
packets. transfers and resends messages. responsible for breaking up data into
segments
