CERTIPORT IT SPECIALIST TEST BANK QUESTIONS AND ANSWERS PREMIUM STUDY RESOURCE

CERTIPORT IT SPECIALIST TEST BANK
QUESTIONS AND ANSWERS PREMIUM
STUDY RESOURCE

●● FTP
Answer: 20, 21 TCP


●● HTTPS (Hypertext Transfer Protocol Secure)
Answer: An encrypted version of HTTP. It uses port 443.


●● IoT (Internet of Things)
Answer: a large network of physical objects including sensors and
equipment


●● OSI Layer 1 - Physical
Answer: Protocols: 100BaseT, 1000BaseT.


Device: hubs, RJ45, repeater.


●● OSI Layer 2 - Data Link
Answer: Protocols: Ethernet, MAC, Frames, crc.

,Device: NIC, switch, bridge, WAPs.


●● OSI Layer 3 - Network
Answer: Logical addressing, switching type, route discovery/selection,
and packet ordering.
IP, ICMP, ARP, RIP, IPX
Device: Router


●● OSI Layer 4 - Transport
Answer: Protocols (TCP/UDP), windowing, buffering
Device: N/A


●● OSI Layer 5: Session
Answer: Protocols: Log on/ Log off, NetBIOS, Negotiation


Device: N/A.


●● OSI Layer 6: Presentation
Answer: Protocols: compression, encryption.


Device: N/A.

, ●● OSI Layer 7: Application
Answer: Protocols: FTP, HTTP, HTTPS, POP3, SMTP, IMAP


Device: Gateway


●● UDP
Answer: connectionless messaged based protocol with best effort
service.


●● TCP
Answer: Transmission Control Protocol, connection oriented protocol
with guaranteed service


●● ARP
Answer: Address Resolution Protocol, resolves IP addresses to MAC
addresses.


●● Loopback address
Answer: 127.0.0.0 - 127.255.255.255


●● Multicast address
Answer: 224.0.0.0 to 239.255.255.255