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Last Updated: Jun 24, 2026
IT Exam Items Repository › Category: CCNA
Which layer in the TCP/IP model is used for formatting, compressing, and encrypting data?
ITExamAnswers Editorial Team asked 7 years ago • 
The application layer of the TCP/IP model performs the functions of what three layers of the OSI model? (Choose three.)
ITExamAnswers Editorial Team asked 7 years ago • 
How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks?
ITExamAnswers Editorial Team asked 7 years ago • 
How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?
ITExamAnswers Editorial Team asked 7 years ago • 
Which three application layer protocols use TCP? (Choose three.)
ITExamAnswers Editorial Team asked 7 years ago • 
Which factor determines TCP window size?
ITExamAnswers Editorial Team asked 7 years ago • 
Which flag in the TCP header is used in response to a received FIN in order to terminate connectivity between two network devices?
ITExamAnswers Editorial Team asked 7 years ago • 
What is the complete range of TCP and UDP well-known ports?
ITExamAnswers Editorial Team asked 7 years ago • 
What kind of port must be requested from IANA in order to be used with a specific application?
ITExamAnswers Editorial Team asked 7 years ago • 
Which two characteristics are associated with UDP sessions? (Choose two.)
ITExamAnswers Editorial Team asked 7 years ago • 
Refer to the exhibit. A company is deploying an IPv6 addressing scheme for its network. The company design document indicates that the subnet portion of the IPv6 addresses is used for the new hierarchical network design, with the site subsection to represent multiple geographical sites of the company, the sub-site section to represent multiple campuses at each site, and the subnet section to indicate each network segment separated by routers. With such a scheme, what is the maximum number of subnets achieved per sub-site?
ITExamAnswers Editorial Team asked 7 years ago • 
What IPv4 header field identifies the upper layer protocol carried in the packet?
ITExamAnswers Editorial Team asked 7 years ago • 
A Layer 2 switch is used to switch incoming frames from a 1000BASE-T port to a port connected to a 100Base-T network. Which method of memory buffering would work best for this task?
answered 7 years ago • 
A network administrator is connecting two modern switches using a straight-through cable. The switches are new and have never been configured. Which three statements are correct about the final result of the connection? (Choose three.)
ITExamAnswers Editorial Team asked 7 years ago • 
What is the minimum Ethernet frame size that will not be discarded by the receiver as a runt frame?
ITExamAnswers Editorial Team asked 7 years ago • 
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