Module 8 check Understanding Flashcards
Which OSI layer sends segments to be encapsulated in an IPv4 or IPv6 packet?
Transport Layer
Which layer is responsible for taking an IP packet and preparing it for transmission over the communications medium?
data link layer
What is the term for splitting up an IP packet when forwarding it from one medium to another medium with a smaller MTU?
fragmentation
Which delivery method does not guarantee that the packet will be delivered fully without errors?
best effort
What are the two most commonly referenced fields in an IPv4 packet header that indicate where the packet is coming from and where it is going?
Destination IP address.
Source IP address.
Which field includes common values such as ICMP (1), TCP (6), and UDP (17)?
Protocol.
Three major issues associated with IPv4.
IP address depletion.
Increased network complexity.
Lack of end-to-end connectivity.
Which command can be used on a Windows host to display the routing table?
netstat - r
What information is added during encapsulation at OSI Layer 3?
Source and destination IP address.
How does the network layer use the MTU value?
The MTU is passed to the network layer by the data link layer.
True or False? The IPv6 header is simple than the IPv4 header is, which improves packet handling.
True.
When a router receives a packet, what information must be examined in order for the packet to be forwarded to a remote destination?
destination IP address
A computer has to send a packet to a destination host in the same LAN. How will the packet be sent?
The packet will be sent directly to the destination host.
Which IPv4 address can a host use to ping the loopback interface?
127.0.0.1
When a connectionless protocol is in use at a lower layer of the OSI model, how is missing data detected and retransmitted if necessary?
Upper-layer connection-oriented protocols keep track of the data received and can request retransmission from upper-level protocols on the sending host.
