QUESTION 31 A host is attempting to send data to another host on a different network. What is the first action that the sending host will take?

Transcription

1 Chapter 2: TCP/IP QUESTION 8 Refer to the exhibit. Both switches are using a default configuration. Which two destination addresses will host 4 use to send data to host 1? (Choose two.) A. the IP address of host 1 B. the IP address of host 4 C. the MAC address of host 1 D. the MAC address of host 4 E. the MAC address of the Fa0/0 interface of the R1 router F. the MAC address of the Fa0/1 interface of the R1 router QUESTION 28 What are two characteristics of Telnet? (Choose two.) A. It sends data in clear text format. B. It is no longer supported on Cisco network devices. C. It is more secure than SSH. D. It requires an enterprise license in order to be implemented. E. It requires that the destination device be configured to support Telnet connections. QUESTION 31 A host is attempting to send data to another host on a different network. What is the first action that the sending host will take? A. Drop the data. B. Send the data frames to the default gateway. C. Create an ARP request to get a MAC address for the receiving host. D. Send a TCP SYN and wait for the SYN ACK with the IP address of the receiving host. QUESTION 64 A network admin wants to know every hop the packets take when he accesses cisco.com. Which command is the most appropriate to use? A. path cisco.com B. debug cisco.com C. trace cisco.com D. traceroute cisco.com

2 QUESTION 75 Which two tasks does the Dynamic Host Configuration Protocol perform? (Choose two.) A. Set the IP gateway to be used by the network. B. Perform host discovery used DHCPDISCOVER message. C. Configure IP address parameters from DHCP server to a host. D. Provide an easy management of layer 3 devices. E. Monitor IP performance using the DHCP server. F. Assign and renew IP address from the default pool. QUESTION 84 Where does routing occur within the DoD TCP/IP reference model? A. application B. internet C. network D. transport QUESTION 91 Which statement describes the process of dynamically assigning IP addresses by the DHCP server? A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement. B. Addresses are permanently assigned so that the hosts uses the same address at all times. C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made. D. Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease. QUESTION 92 Which network protocol does DNS use? A. FTP B. TFTP C. TCP D. UDP E. SCP QUESTION 93 When two hosts are trying to communicate across a network, how does the host originating the communication determine the hardware address of the host that it wants to "talk" to? A. RARP request B. Show Network Address request C. Proxy ARP request D. ARP request E. Show Hardware Address request QUESTION 95 An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message? A. RARP B. RUDP C. ICMP D. SNMP

3 QUESTION 111 Which command is used to see the path taken by packets across an IP network? A. show ip route B. show route C. traceroute D. trace ip route QUESTION 148 Refer to the exhibit. An administrator pings the default gateway at and sees the output as shown. At which OSI layer is the problem? A. data link layer B. application layer C. access layer D. session layer E. network layer

4 QUESTION 161 Refer to the exhibit. After HostA pings HostB, which entry will be in the ARP cache of HostA to support this transmission? A. B. C. D. E. F. QUESTION 171 An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports 21, 23 and 25. What types of packets will be permitted by this ACL? (Choose three.) A. FTP B. Telnet C. SMTP D. DNS E. HTTP F. POP3

5 QUESTION 179 Which of the following are types of flow control? (Choose three.) A. buffering B. cut-through C. windowing D. congestion avoidance E. load balancing QUESTION 212 A network administrator issues the ping command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? (Choose two.) A. ARP B. CDP C. DHCP D. DNS E. ICMP QUESTION 251 Which protocol should be used to establish a secure terminal connection to a remote network device? Select the best response. A. ARP B. SSH C. Telnet D. WEP E. SNMPv1 F. SNMPv2 QUESTION 261 An administrator issues the command ping from the command line prompt on a PC. If a reply is received, what does this confirm? A. The PC has connectivity with a local host. B. The PC has connectivity with a Layer 3 device. C. The PC has a default gateway correctly configured D. The PC has connectivity up to Layer 5 of the OSI model E. The PC has the TCP/IP protocol stack correctly installed. QUESTION 267 What is the purpose using the traceroute command? A. to map all the devices on a network. B. to display the current TCP/IP configuration values. C. to see how a device MAC address is mapped to its IP address. D. to see the path a packet will take when traveling to a specified destination. E. to display the MTU values for each router in a specified network path from source to a destination.

6 QUESTION 274 Which statement is correct regarding the operation of DHCP? A. A DHCP client uses a ping to detect address conflicts. B. A DHCP server uses a gratuitous ARP to detect DHCP clients. C. A DHCP client uses a gratuitous ARP to detect a DHCP server. D. If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict. E. If an address conflict is detected, the address removed from the pool for an amount of time configurable by the administrator. F. If an address conflict is detected, the address is removed from the pool and will not be reused until server is rebooted. QUESTION 350 A TCP/IP Transfer is diagrammed in the exhibit. A window size of three has been negotiated for this transfer. Which message will be returned from the receiver to the sender as part of this TCP/IP transfer? A. Send ACK 1-3 B. Send ACK 3 C. Send ACK 4 D. Send ACK 4-6 E. Send ACK 6 F. Send ACK 7

7 Answer Key Answer 8: AF Answer 28: AE Answer 31: C Answer 64: D Answer 75: CF Answer 84: B Answer 91: D Answer 92: D Answer 93: D Answer 95: C Answer 111: C Answer 148: E Answer 161: D Answer 171: DEF Answer 179: ACD Answer 212: AE Answer 251: B Answer 261: E Answer 267: D Answer 274: E Answer 350: C