Which of the following protocols utilize UDP as the layer 4 transport mechanism？（）

A.S1(config)# interface fastethernet 0/1S1(config - if)# ip helper - address 10.0.0.2

B.S1(config)# interface fastethernet 0/1 S1(config - if)# ip helper - address 20.0.0.1

C.R1(config)# interface fastethernet 0/0 R1(config - if)# ip help er - address 20.0.0.2R 1(config - if)# ip helper - address 20.0.0.3 R1(config - if)# ip helper - address 20.0.0.4 R1(config - if)# exit R1(config)# interface fastethernet 0/1 R1(config - if)# ip helper - address 10.0.0.1

D.R1(config)# interface fastethernet 0/0 R1 (config - if)# ip helper - address 20.0.0.1 R2(config)# interface fastethernet 0/0 R2(config - if)# ip helper - address 20.0.0.1 R3(config)# interface fastethernet 0/0 R3(config - if)# ip helper - address 20.0.0.1 R4(config)# interface fastethernet 0/0 R4(config - if)# ip helper - address 20.0.0.1

E.S1(config)# interface fastethernet 0/1 S1(config - if)# ip helper - address 10.0.0.2 R2(config)# interface fastethernet 0/0 R2(config - if)# ip helper - address 20.0.0.1 R3(config)# interface fastethernet 0/0 R3(config - if) # ip helper - address 20.0.0.1 R4(config)# interface fastethernet 0/0 R4(config - if)# ip helper - address 20.0.0.1

A.Definetheencapsulationtype.

B.Definethestandbyrouter.

C.DefinethestandbyIPaddress.

D.Enablethestandbypriority.

A.enstandbypreempt

B.standbypreemptenable

C.standbypreempt

D.hotstandbypreempt

A. NTP

B. NNTP

C. SMTP

D. SNMP

E. HTTPS

F. TFTP

A. source address

B. options

C. sequence number

D. sources

E. destination port

F. checksum

A.Because it is running IS - IS in IP - only mode, RTD will not transmit CLNS packets

B.IP routing updates between RTC and RTD will be IP datagrams that are encapsulated by HDLC

C.The SNPA for RTE is the source data link address that is used to transmit frames to RTD

D.IP routing updates between RTC and RTD will be CLNS datagrams that are encapsulated by HDLC

E.The NET for RTE will be 49.0150.0019.06b7.fd5f.00

F.IP routing updates between RTC and RTD will be IP datagrams that a re encapsulated by CLNS

A.standby1priority130

B.standby1preempt

C.standby1trackfastethernet0/0

D.standby1track10.10.10.1

over IP) technology. This system uses UDP as the transport for the data transmissions. If these UDP datagrams arrive at their destination out of sequence,what will happen?（）

A. UDP will send an ICMP Information Request to the source host.

B. UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.

C. UDP will drop the datagrams.

D. UDP will use the sequence numbers in the datagram headers to reassemble the data in the correct order.

E. UDP will not acknowledge the datagrams and wait for a retransmission of the datagrams.

A.Loopbackinterface

B.SVIinterfac

C.Routedport

D.Accessport

E.EtherChannelportchannel

F.BVIinterface

A.The router is in area 49.0001.0002

B.The router acts as a Level 1 - 2 router

C.CLNS routing is enable d for the router

D.The router has a system ID of 0003.0004

E.The interfaces have a functional IS - IS configuration

F.The network service access point selector (NSEL) byte has a value of 0