Chapter 1 Flashcards
(19 cards)
What of the following protocols are examples of TCP/IP Transport layer protocol? Choose two answers.
UDP & TCP
Which of the following protocols are examples of TCP/IP data-link layer protocols? Choose two
Ethernet & PPP
List the protocols for Application Layer
HTTP POP3 SMTP
List protocols for transport layer
TCP UDP
List protocol for network layer
IP ICMP
List protocol for data link & physical layer
Ethernet 802.11(wi-if)
What does the TCP/IP Application layer do ?
It provides services to the application software running on a computer .
Which protocol is recommended to use when browsing Internet
HTTPS
Which protocols are used by email services like Gmail & Hotmail?
SMTP, POP3, IMAP
DNS belongs to which layer of the OSI model?
Layer 7
Which protocol provides three way handshake?
TCP
How many NTP Stratum levels are there in total?
16
Which implication protocol uses the UDP port 67 & 68?
DHCP
Which of these is a connection oriented and secure protocol?
TCP
Which ones of below or valid DHCP operation steps?
DORA (discovery offer, request acknowledgment )
Difference between adjacent-layer and same-layer interactions?
Same-layer happens between different computers while adjacent-layer happens on the same computer.
Same-layer happens between the same layer while adjacent happens between the different layers
Adjacent-Layer interaction
Describes how layers on the same computer interact
What is one major protocol used in Network Layer?
IP
Define encapsulation in ccna
Process of putting header and sometimes trailers around some data