WHICH OF THE FOLLOWING OCCURS AT THE NETWORK INTERFACE LAYER OF THE TCP IP MODEL CHAPTER 4

Network adapter card device driver Physical Ethernet, ISDN, PPP, T3, CATV Table 2-2. OSI Reference Model and the TCP/IP Model OSI Model TCP/IP 7 Application Application 4 6 Presentation

D. Transmitting15. Which of the following is true concerning a bridge and its forwarding decisions?A. Bridges operate at OSI Layer 2 and use IP addresses to make decisions.B. Bridges operate at OSI Layer 3 and use IP addresses to[r]

The Ethernet NIC is also responsible for receiving/sending and assembling/disassembling data to and from the network connection. The Network Interface layer in the DoD model encompasses the functions of the OSI m[r]

1 - 6 CCNA 1: Networking Basics v 3.0 - Lab 1.1.6 Copyright  2003, Cisco Systems, Inc. Lab 1.1.6 PC Network TCP/IP Configuration Objective • Identify tools used to discover a computer network configuration with various operating systems. • Gather information including[r]

Summary 809The no debug all command and undebug all command turn off all diagnostic output. To disable a particular debug command, use the no form of the command. For example, if debug for monitoring RIP was enabled with the command debug ip rip, it can be d[r]

were to think about a desktop computer in this way, its hardware would be the lowest layer, and the operating system drivers—the next-higher layer—would rely on the lowest layer to do their job. The operating system itself, the next-higher l[r]

Routing Basics 679■ Routing protocol—Protocol that supports a routed protocol by providing mech-anisms for sharing routing information. Routing protocol messages move between the routers. A routing protocol allows the routers to communicate with other routers to update and maintain tab[r]

down downEthernet7 unassigned YES unset administratively down downVirtual254 unassigned YES unset up upCISCO# show int ip brie | include up > chỉ show những interface có status upHTML Code:Ethernet1 172.30.30.1 YES unset up upEthernet2 unassigned YES unset up upEthernet2.485 xx.[r]

QUESTIONS FOR SPEAKING 4Chapter 1 New Challenges1. Talk about your own experiences learning a new language ? What are some of your difficulties / challenges in studying English ? How have you overcome them ?2. What are some of your accomplishments from the last fiv[r]

On an Ethernet, of course, access isgoverned by a device’s MAC address,the six-byte number that is unique toeach NIC. Devices which depend onthis level include bridges andswitches, which learn which segment’sdevices are on by learning the MACaddresses of<[r]

297Chapter 19Understanding Other Windows Server 2008 Services298Networking: A Beginner’s GuideOne of the strengths of Windows Server 2008 is that it can perform many functions and fill many roles. Not only is Windows Server 2008 a powerful and effective file server and pr[r]

bandwidth and buffer capacity), topology, interference from cross-traf®c withdissimilar traf®c characteristics, and changes in the distribution of ®le requestinterarrival times. Properties of the transport=network layer in the protocol stack areshown[r]

A. The console1102.book Page 1039 Tuesday, May 20, 2003 2:53 PM1040 Appendix C: Check Your Understanding Answer Key11. The telnet command provides what type of terminal?B. Virtual12. ICMP stands for what?C. Internet Control Message Protocol13. Most interfaces or NICs have what t[r]

1 - 8 CCNA 4: WAN Technologies v 3.0 - Lab 4.3.7 Copyright  2003, Cisco Systems, Inc. Lab 4.3.7 Configuring Dialer Profiles Objective • Configure ISDN Dialer Profiles on the routers enabling a dial-on-demand routing (DDR) call to be made from two remote routers simultaneously into[r]

10Wireless Local Loop SystemsWireline communications networks are expensive and time-consuming to con-figure. Growing demand for telecommunications services and the imminentliberalization of the telecommunications market in Europe have greatly in-creased the interest in ra[r]

Step 4 Specifying interesting traffic for DDR Traffic must be defined as ‘interesting’ to cause the DDR interface to dialup the remote router. For the moment, declare that all IP traffic is interesting using the dialer-list command. Moscow(config)#di[r]

Lab 9.3.7 Workstation ARP Objective • Introduce Address Resolution Protocol (ARP) and the arp –a workstation command. • Explore the arp command help feature using the -? option. Background / Preparation ARP is used as a tool for confirming that a computer is successfully resolv[r]

Raw SocketsCS-480bDick Steflik Raw Sockets Raw Sockets•Raw Sockets let you program at just above the network (IP) layer•You could program at the IP level using the IP API but you can’t get at ICMP•Raw Sockets expose ICMP •y[r]