Page 1 of 10 Cisco Discovery - DsmbISP Module 9 Final Exam - V.4 in english. Selectionner un langage : Français Exam mode : Yes (Change the color of the site, white writing on black bottom). Useful links : Netacad Site Download Packet Tracer 5 Back to home page Questionnaire DsmbISP Chapter 8 Questionnaire DRSEnt Chapter 1 Q.1 A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server? FTPS HTTP HTTPS WEP2 TFTP Q.2. Refer to the exhibit. A new branch office has been added to the corporate network and anew router is to be installed to allow branch office users to access the database server at h the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router? branch_23(config-if)# ip address 192.168.5.19 255.255.255.240 branch_23(config-if)# no shutdown branch_23(config-if)# encapsulation hdlc branch_23(config-if)# ip address 192.168.5.25 255.255.255.240 branch_23(config-if)# no shutdown branch_23(config-if)# encapsulation ppp branch_23(config-if)# no shutdown branch_23(config-if)# encapsulation ppp branch_23(config-if)# ip address 192.168.5.33 255.255.255.240 branch_23(config-if)# encapsulation ppp branch_23(config-if)# ip address 192.168.5.21 255.255.255.240 branch_23(config-if)# no shutdown Q.3 Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose tw Router(config)# enable secret cisco Router(config)# enable cisco Router(config)# encryption-password all Router(config)# enable login encrypted Router(config)# enable password encryption Router(config)# service password-encryption Q.4 A new network is to be configured on a router. Which of the following tasks must be completed to configure this interface and implement dynamic IP routing for the new network? Select the routing protocol to be configured. Assign an IP address and subnet mask to the interface

Page 2 of 10 Update the ip host configuration information with the device name and new interface IP address. Configure the routing protocol with the new network IP address. Configure the routing protocol with the new interface IP address and subnet mask. Configure the routing protocol in use on all other enterprise routers with the new network information. Q.5 How does TCP ensure the reliable transfer of data? If data segments are not received from the source, the destination requests that the segments be resent. If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of the time, the source resends the data. TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received The TCP Protocol Interpreter process verifies the transmitted data at source and destination. Q.6 A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP for this network can only supply five public IPs. What can task? routable translation dynamic translation static translation port address translation Q.7 What is the most commonly used exterior routing protocol? BGP RIP OSPF EIGRP Q.8 Refer to the exhibit. The network administrator needs to configure the router with a name. Which command will the administrator use to configure the router name? Router# ip hostname Boise Router# enable hostname Boise Router(config-line)# name Boise Router(config)# hostname Boise Router(config)# ip hostname Boise Q.9 Why are port numbers included in the TCP header of a segment? to indicate the correct router interface that should be used to forward a segment to identify which switch ports should receive or forward the segment to determine which Layer 3 protocol should be used to encapsulate the data to enable a receiving host to forward the data to the appropriate application to allow the receiving host to assemble the packet in the proper order Q.10 What is the purpose of the routing process? to encapsulate data that is used to communicate across a network to select the paths that are used to direct traffic to destination networks to convert a URL name into an IP address to provide secure Internet file transfer to forward traffic on the basis of MAC addresses Q.11 Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.) The debug ip rip command displays RIP routing activity in real time. The debug ip rip command can be issued at the user EXEC configuration mode. The debug ip rip command displays a combination of the information that is displayed by the show ip route and show ip protocols commands. Because of router processor usage, the debug ip rip command should be used only when necessary. The debug ip rip command should be used instead of the show ip route command whenever possible. Q.12 What minimum configurations must be set on a host to allow a request to be sent to http://www.cisco.com/? (Choose four.) DNS server WINS server IP address NetBIOS subnet mask default gateway

Page 3 of 10 Q.13 A Catalyst 2960 switch has been taken out of storage to be used as a temporary replacement for another switch that needs to be repaired. About a minute after the switch has st front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED? The switch has no configuration file in NVRAM. The switch has failed POST and must be sent for service. The switch is functioning properly. The switch is in half-duplex mode. Q.14 Refer to the exhibit. Which combination of cables and symbols is correct? A - crossover, B - straight-through, C - straight-through A - crossover, B - rollover, C - straight-through A - straight-through, B - crossover, C - straight-through A - straight-through, B - straight-through, C - straight-through A - straight-through, B - straight-through, C - crossover A - rollover, B - straight-through, C - straight-through Q.15 After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In model is the problem most likely occurring? transport network data link physical Q.16 What are three characteristics of the TCP protocol? (Choose three.) exchanges datagrams unreliably is used to send IP error messages forces the retransmission of unacknowledged packets creates a virtual session between end-user applications carries the IP address of the destination host in the TCP header is responsible for breaking messages into segments and reassembling them at their destination Q.17 Refer to the exhibit. The network shown is connected using services from the same ISP. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.3 192.168.16.64/28 subnetworks? with BGP with a static route with a directly connected route with an interior routing protocol Q.18 Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1? rollover console crossover straight-through

Page 4 of 10 Q.19 When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What connection is in use? leased line packet switched circuit switched point-to-point Q.20 A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch c PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next? Enter an IP address into the WWW browser address bar to see if DNS is at fault. Use traceroute to identify the device along the path to the ISP that may be at fault. Verify the IP address, subnet, and gateway settings using ipconfig on the PC. Connect to the user home router to check firewall settings for blocked TCP ports. Q.21 A ping 192.1.1.20 command is issued on workstation A to determine if workstation B can be reached. What events will occur if this command is successful? (Choose two.) The router will block the ping request message. The router will reply to the echo request with a proxy ping response. Workstation A will send a UDP ping request message to workstation B. Workstation B will send a UDP ping reply message to workstation A. Workstation A will send an ICMP echo request message to workstation B. Workstation B will send an ICMP echo reply message to workstation A. Q.22 How does a router know of paths to destination networks? (Choose two.) inspection of the destination IP address in data packets ARP requests from connected routers manual configuration of routes updates from other routers DHCP information broadcasts updates from the SMTP management information base Q.23 Refer to the exhibit. Which two statements describe the data conversation shown? (Choose two.) The data conversation was started by the HTTP application process running on the client. The data conversation is identified by TCP port 80 on the client. The user started the data conversation by sending an e-mail. The IP address of the Internet server is 192.168.17.43. The Internet server will send data to port 8547 on the client. Q.24 What is one purpose of the TCP three-way handshake? sending echo requests from the source to the destination host to establish the presence of the destination determining the IP address of the destination host in preparation for data transfer requesting the destination to transfer a binary file to the source synchronizing sequence numbers between source and destination in preparation for data transfer Q.25 Which type of address is 192.168.17.111/28? host address network address broadcast address multicast address Q.26 A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FT technician suspect is the problem? misconfigured firewall

Page 5 of 10 bad port on switch or hub misconfigured IP addressing on the customer's workstation wrong DNS server configured on the customer's workstation wrong default gateway configured on the customer's workstation Q.27 The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed : C 192.168.4.0/24 is directly connected, Serial0/0 R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0 R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1 R 192.168.2.0/24[120/2] via 192.168.3.1, 00:00:20, Serial0/1 C 192.168.3.0/24 is directly connected, Serial0/1 From which router was this command executed? A B C D Q.28 Refer to the exhibit. Which two sets of commands are required to configure passwords for all management ports on a Catalyst 2960 switch? (Choose two.) ALSwitch(config)# interface vlan 1 ALSwitch(config-if)# password cisco ALSwitch(config-if)# login ALSwitch(config)# line vty 0 4 ALSwitch(config-line)# password cisco ALSwitch(config-line)# login ALSwitch(config)# line vty 0 15 ALSwitch(config-line)# password cisco ALSwitch(config-line)# login ALSwitch(config)# enable secret class ALSwitch(config)# enable password cisco ALSwitch(config)# interface fa0/1 ALSwitch(config-if)# password cisco ALSwitch(config-if)# no shutdown ALSwitch(config)# line cons 0 ALSwitch(config-line)# password cisco ALSwitch(config-line)# login Q.29 A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation? the POP3 and SMTP server settings in the e-mail application the patch cable connections at the back of the workstation and at the wall plate the DHCP settings in the operating system the IP address, mask, and default gateway values the NIC drivers Q.30 Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is destined for LAN C? RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2 RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2 RouterA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2 RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1 RouterA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0 Q.31 Which subnet masks could be used when subnetting a Class B IP address? (Choose two.)

Page 6 of 10 255.255.255.240 255.255.192.0 255.255.0.0 255.192.0.0 240.0.0.0 255.0.0.0 Q.32 Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts that are attached to RTA to reach the server that is attached to RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the administrator use to accomplish these tasks on the two routers? RTA(config)# ip route 255.255.255.252 10.16.10.6 RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6 RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6 RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6 RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1 RTB(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6 Q.33 How do port filtering and access lists help provide network security? They prevent specified types of traffic from reaching specified network destinations. They alert network administrators to various type of denial of service attacks as they occur. They prevent viruses, worms, and Trojans from infecting host computers and servers. They enable encryption and authentication of confidential data communications. Q.34 Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the STP UTP coaxial fiber optic Q.35 What is used by a routing protocol to determine the best path to include in the routing table? Convergence time Default distance Metric Type of router

Page 7 of 10 Q.36 Refer to the exhibit. Which IP addresses could be assigned to the hosts in the diagram? (Choose two.) 192.168.65.31 192.168.65.32 192.168.65.35 192.168.65.60 192.168.65.63 192.168.65.64 Q.37 Given the network 192.168.25.0 shown in the graphic, which subnet mask would accommodate the number of hosts in each subnet? 255.255.0.0 255.255.224.0 255.255.255.0 255.255.255.224 255.255.255.240 255.255.255.248 Q.38 Which two protocols allow network devices to report their status and events to a centralized network management device? (Choose two.) Syslog Telnet HTTP HTTPS SNMP Q.39 What is true regarding the differences between NAT and PAT? PAT uses the word "overload" at the end of the access-list statement to share a single registered address. Static NAT allows an unregistered address to map to multiple registered addresses. Dynamic NAT allows hosts to receive the same global address each time external access is required. PAT uses unique source port numbers to distinguish between translations.

Page 8 of 10 Q.40 Refer to the exhibit. The graphic shows the output of a command issued on router RTB. According to the output, what two statements are true of router RTB? (Choose two.) The router is connected to a router named Boise. Router RTB is connected to a Cisco 1841 router. Router RTB is directly connected to two other routers. The IP address of the router interface connected to router RTB is 192.168.2.6. The RTB router is connected to two Cisco devices by Fast Ethernet links. Q.41 Refer to the exhibit. The network administrator uses the command below to configure a default route to the ISP network : RTB(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.6 A ping issued from the ISP is successful to router RTB. However, ping echo request packets arrive at a host that is attached to the Fa0/0 interface of RTB, and the replies do not make What will fix this problem? The ISP must be configured to forward packets from the 192.168.1.0 network. The ip route command needs to be edited so that the next hop address is 10.1.1.5. The ip route command needs to be edited so that the 192.168.1.1 address is the next hop address. The ip route command should be removed from the RTB router configuration. Q.42 A network technician is using anetwork management station to gather data about the performance of devices and links within the ISP. Which application layer protocol makes this SNMP FTP DHCP SMTP Q.43 What are two purposes of DNS? (Choose two.) to dynamically assign IP addressing information to network hosts to simplify the administration of host and default gateway addressing on client computers to assign TCP port numbers to hosts as part of the data transfer process to resolve human-readable domain names to numeric IP addresses to replace the static HOSTS file with a more practical dynamic system Q.44 A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines tha the packet from entering the inside network. Which security measure protected the network? an IDS an IPS a host-based firewall Anti-X software

Page 9 of 10 Q.45 How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0? 30 256 2046 2048 4094 4096 Q.46 In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another? destination network address source network address source MAC address well known port destination address Q.47 A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type needs? Sonet T3 dialup DSL leased line Q.48 The command copy tftp running-config has been entered on the router. What will this command do? copy the configuration in RAM to a server copy the configuration file from a server to RAM copy the configuration file in NVRAM to RAM copy the configuration file in NVRAM to a server copy the configuration file from a server to NVRAM Q.49 Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two administrator use to accomplish this task? (Choose two.) RTB# ipaddress 192.168.102.98 255.255.255.248 RTB(config-if)# ip address 192.168.102.99 255.255.255.252 RTB(config)# ip address 192.168.102.97 255.255.255.252 RTB(config)# no shutdown RTB(config-if)# no shutdown RTB(config-if)# ip address 192.168.102.97 255.255.255.252 Q.50 Refer to the exhibit. A NOC technician at an ISP enters the command shown. What are two reasons to use this command? (Choose two.) to map the path to 192.168.1.7 to test reachability to 192.168.1.7 to locate connectivity problems along the route to 192.168.1.7 to identify the ISPs that interconnect the NOC with the remote host with the address 192.168.1.7 to measure the time that packets take to reach 192.168.1.7 and return to the technician's workstation Questionnaire DsmbISP Chapter 8 Questionnaire DRSEnt Chapter 1

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