1) How large are IPv4 addresses?8 bits16 bits* 32 bits64 bits128 bits2)Refer to the graphic. A user at the workstation can...
4) Given a host with the IP address 172.32.65.13 and a default subnet mask, to whichnetwork does the host belong?172.32.65...
* 172.16.4.4* 192.168.5.5224.6.6.610) What destination IP address is used in a unicast packet?* a specific hosta group of ...
16) Which three statements describe a DHCP Discover message? (Choose three.)The source MAC address is 48 ones (FF-FF-FF-FF...
Packets that are sent to hosts on the same network need to be translated.* Packets that are sent to a destination outside ...
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Ccna 1 5

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Transcript of "Ccna 1 5"

  1. 1. 1) How large are IPv4 addresses?8 bits16 bits* 32 bits64 bits128 bits2)Refer to the graphic. A user at the workstation cannot connect to the server. All cableshave been tested and are working and all devices have IP addressing. However, theuser cannot ping the server. What is causing the problem?The router interface does not have a default gateway.The switch does not have an IP address and default gateway.* The workstation and server are on different logical networks.The workstation does not know the MAC address of the switch.3) Which part of an IP address identifies a specific device on a network?first two octetsthird and fourth octetsnetwork portion* host portiononly the fourth octet
  2. 2. 4) Given a host with the IP address 172.32.65.13 and a default subnet mask, to whichnetwork does the host belong?172.32.65.0172.32.65.32* 172.32.0.0172.32.32.05) Which default subnet mask provides the most host bits?* 255.0.0.0255.255.0.0255.255.255.0255.255.255.2526) How many bits are available for Class B host IP addresses using a default subnetmask?48* 16247) How many usable hosts are available given a Class C IP address with the defaultsubnet mask?* 2542552565105115128) Assuming a default mask, which portion of the IP address 175.124.35.4 representsthe host?175.124* 35.4.4124.35.4175.124.359) Which of the following are private IP addresses? (Choose three.)* 10.1.1.1172.32.5.2192.167.10.10
  3. 3. * 172.16.4.4* 192.168.5.5224.6.6.610) What destination IP address is used in a unicast packet?* a specific hosta group of hoststhe default gatewaythe network broadcast address11) What is the destination MAC address in a multicast Ethernet frame?the MAC address of the sending hostthe MAC address of the destination host* an address that begins with 01-00-5E in hexadecimala 48-bit hexadecimal address expressed as FF-FF-FF-FF-FF-FF12) Yvonne is talking to her friend on the phone. What type of message is this?broadcastsimulcastmulticast* unicast13) What information must be included within a unicast message for it to be deliveredon an Ethernet network?MAC and IP addresses for the default routerIP address and subnet mask of the default gatewayMAC and IP addresses that correspond to a destination group* MAC and IP addresses that correspond to a specific destination host14) A PC obtains its IP address from a DHCP server. If the PC is taken off thenetwork for repair, what happens to the IP address configuration?The configuration is permanent and nothing changes.The address lease is automatically renewed until the PC is returned.* The address is returned to the pool for reuse when the lease expires.The configuration is held by the server to be reissued when the PC is returned.15) Which type of server dynamically assigns an IP address to a host?ARP* DHCPDNSRARP
  4. 4. 16) Which three statements describe a DHCP Discover message? (Choose three.)The source MAC address is 48 ones (FF-FF-FF-FF-FF-FF).* The destination IP address is 255.255.255.255.The message comes from a server offering an IP address.* The message comes from a client seeking an IP address.* All hosts receive the message, but only a DHCP server replies.Only the DHCP server receives the message.17)Refer to the graphic. A host connects to a Linksys integrated router that is also aDHCP server and receives an IP address from it. Which address does the host need toaccess the ISP and the Internet?IP address of the destination hostpublic gateway IP address of the ISPexternal IP address of the integrated router that connects to the ISP* internal IP address of the integrated router that connects to the local network18) Which statement is true concerning private IP addresses?ensures that two networks separated by the Internet use unique IP network numbersallows internal hosts to communicate with servers across the Internet* solves the issue of a finite number of available public IP addressesallows for ISPs to be able to quickly determine network location19) What is one of the purposes of NAT?filters network traffic based on IP address ranges* prevents external users from detecting the IP addresses used on a networkinspects traffic that might be harmful or used in an attack against the networktranslates IP addresses into easy-to-remember domain names20) Which two statements describe packets that are sent through a Linksys integratedrouter using NAT? (Choose two.)Packets that are sent to any destination need to be translated.
  5. 5. Packets that are sent to hosts on the same network need to be translated.* Packets that are sent to a destination outside the local network need to be translated.Packets that are sent to a destination outside a local network do not need to betranslated.* Packets that are sent between hosts on the same local network do not need to betranslated.21)Refer to the graphic. NAT and DHCP are installed on the Linksys integrated router.Which IP address is most likely to be assigned to the local computer, Host1?* 10.0.0.17128.107.1.2192.135.250.0209.165.201.1

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