In the "host to host" layer of the DOD model, which of the f

A host computer has been correctly configured with a static IP address, but the default gateway is incorrectly set. Which layer of the OSI model will be first affected by this configuration error?

A. Layer 1

B. Layer 2

C. Layer 3

D. Layer 4

E. Layer 5

F. Layer 6

E. Layer 7

A.ARP

B.RARP

C.TCP

D.UDP

E.IP

F.ICMP

G.BootP

Every host and router on the Internet has an IP address, which encodes its

A．host number

B．host number and socket

C．network number

D．host number and network number

A.send a unicast ARP packet to the DSL modem/router

B.send unicast ICMP packets to the DSL modem/router

C.send Layer 3 broadcast packets to which the DSL modem/router responds

D.send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router

Acknowledgements, sequencing, and flow control are functions that are handled by which layer of the OSI model?

A. Layer 5

B. Layer 4

C. Layer 7

D. Layer 6

E. Layer 3

F. Layer 2

G. Layer 1

You‘re the systems administrator at Testing, and you create the following access control lists.You then enter the command "ip access-group 101 in" to apply access control list 101 to router TK1s e0 interface.Which of the following Telnet sessions will be blocked as a result of your access lists?（）

A. Telnet sessions from host A to host 5.1.1.10

B. Telnet sessions from host A to host 5.1.3.10

C. Telnet sessions from host B to host 5.1.2.10

D. Telnet sessions from host B to host 5.1.3.8

E. Telnet sessions from host C to host 5.1.3.10

F. Telnet sessions from host F to host 5.1.1.10

Which OSI layer header contains the address of a destination host that is on another network?

A. Application

B. Presentation

C. Session

D. Transport

E. Network

F. Data link

G. Physical