What does the User Datagram Protocol (UDP) provide?
A.) Connectionless datagram service.
B.) FECN & BECN
C.) Flow control and error checking.
D.) Name resolution.
E.) Path discovery.
Answer / guest
Answer: A
UDP is connectionless, and does not provide error checking. But
remember, error checking can occur at other layers too.
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Which EXEC command displays system hardwarde configuration information software version and the names and sources of configuration files and boot images on a router? A. show boot B. show flash C. show config D. show version
Ping uses which Internet layer protocol? A.) RARP B.) ICMP C.) ARP D.) FTP
Which type of updates eigrp protocol do?
What is cisco?
X.25 is characterized by layer 2 identifiers, and what else? A.) Virtual Lan's B.) Session Layer C.) Transport Layer D.) Routing Updates E.) PVC's
Which command displays the IPX SAP table? A.) show ipx sap B.) show sap C.) show ipx interface D.) show ipx servers E.) show ipx
Identify the purpose of the wildcard mask? A.) Match a certain portion of the IP address while ignoring the rest of the address B.) Determine the class of the IP address C.) Determine the network portion of an IP address D.) Hide the host portion of an IP address
What is hold down time formula of ospf?
Which three statements about common elements of the TCP/IP protocol stack are true? (Choose three) A. IP provides connectionless service and routing capabilities B. APP enables devices to locate the IP address of local devices C. UDP provides simple connectionless service without windowing or acknowledgments D. ICMP provides connection oriented management data to routers and Layer 3 switches E. TCP enables devices to send large quantities of data using windowing in a connection oriented manner
What must be true for two Routers running IGRP to communicate their routes? A.) Same autonomous system number B.) Connected using Ethernet only C.) Use composite metric D)Configured for PPP
Which statement about Ethernet switches is true? A. Symmetric switching allows connection between pods of unlike bandwidth and does not require memory buffering B. Memory Buffering is used to prevent a bottleneck when pods of different bandwidth are connected on a symmetric switch C. The latency can be reduced if the switch utilizes the store and forward method of switching store and forward is better for error detection D. The cut through method of switching is faster because the switch forwards the packet to the destination as soon as it reads the destination address
In the setup dialog, what do the square brackets indicate? A. current or default spores B. hard coded values that cannot be modified C. values entered by the administrator but not saved D. values that must be written to NVRAM before becoming enabled