3.1 CCNA 4 - Voucher Exam

1	Which automatic process is started first whenever power is applied to a Cisco router? empties contents of NVRAM looks for the configuration file performs a POST starts the operating system
2	Which of the following commands sets a condition to allow packets through a named ACL? adjust apply control permit
3	Which of the following authentication processes provides protection against playback attacks? CHAP DDI PAP TCP
4	Which command displays the active configuration of a router? Router# show flash Router# show configuration Router# show running-config Router# show startup-config
5	What is the default ISDN encapsulation used on Cisco ISDN routers? SLIP PPP HDLC VPP
6	How is spanning-tree path cost determined by default? total hop count sum of the costs based on bandwidth dynamically determined based on load individual link cost based on latency
7	Which command will successfully configure a router to use PPP encapsulation on one of its links? router> encapsulation ppp router# encapsulation ppp router(config)# encapsulation ppp router(config-if)# encapsulation ppp
8	Which statement describes dynamic routing correctly? Dynamic routing automatically adjusts for topology or traffic changes. Dynamic routing must always be used to reach a stub network. Dynamic routing uses route information entered by an administrator. Dynamic routing reveals everything known about an entire autonomous system.
9	The switches in the graphic are configured for VTP as shown. Select the statements that correctly describe the operation of these switches. (Choose two.) A new VLAN can be added to Switch1 and that information will be added only to Switch2. An existing VLAN can be deleted from Switch2 and that VLAN will be deleted from Switch1 and Switch4. A new VLAN can be added to Switch4 and that information will be added to Switch1, Switch2, and Switch3. A new VLAN can be added to Switch1 and that information will be added to Switch2 and Switch4. A new VLAN can be added to Switch3 and that information will be added to Switch1, Switch2, and Switch4. An existing VLAN can be deleted from Switch4 and that VLAN will be deleted from Switch1 and Switch2.
10	Which device uses logical addresses to interconnect networks or subnetworks? hub layer 2 switch router bridge repeater
11	Which device allows data communication to occur between VLANs? bridge hub switch router
12	Which of the following are types of EIGRP packets? (Choose three.) hello respond DUAL query acknowledgement holddown
13	Which Layer 4 protocol is connection-oriented and reliable? ICMP TCP TFTP UDP HTTP
14	What is the purpose of the show cdp neighbors command? to display a summary of the configurations of all directly attached Cisco devices to display information about all Cisco devices that are directly connected to a local device to display information about all Cisco networks in the WAN to display addressing information about all remote routers to display the names of all OSPF neighbors in the local area
15	Which connection modes are supported on a Frame Relay subinterface? (Choose two.) dynamic multicast multipoint multipoint-to-point point-to-point static
16	A mid-sized company has five remote locations with 55 end users at each location. The network administrator was assigned two consecutive Class C networks. Which three interior routing protocols will support this addressing scheme? (Choose three.) RIP v1 RIP v2 EIGRP OSPF BGP
17	Which type of protocol is used between routers to communicate and maintain tables? non-routable routable routed routing
18	The ISDN, Frame Relay, and HDLC encapsulations are defined at which layer of the OSI model? network session data link transport physical
19	Which layer of the OSI model provides negotiation of data transfer syntax? application presentation session transport network
20	What can be created by borrowing bits from the host portion of an IP address? extended IP addresses additional IP addresses segments subnetworks smaller collision domains
21	Which utility shows the route a packet takes to reach its destination? netstat ping Telnet traceroute
22	Refer to the graphic. This company was assigned a Class C network address for its two sites. The network administrator subnetted accordingly and configured each router with RIP. However, these routers are unable to connect to each other. What could be the problem? RIP cannot be used in place of a static route. RIPv1 was configured instead of RIPv2. RIPv2 was configured instead of RIPv1. RIP does not support stub networks.
23	Which LMI types are available with Cisco routers? ANSI, Cisco, HDLC ANSI, Cisco, q933a ANSI, Cisco, DLCI Cisco, IETF, q933a
24	Which statements describe the operation of VLANs? (Choose two.) All switch ports assigned to a VLAN are part of the same collision domain. All switch ports assigned to a VLAN are part of the same broadcast domain. Using VLANs to logically organize workgroups minimizes latency in the network. Members can be assigned to VLANs based on port ID, MAC address, or protocol. Multiple VLANs can be assigned to a single, Layer 3 network address and routers can be used to route traffic between VLANs.
25	All routers shown in the graphic are part of the same OSPF area. Which routers will PERTH engage in DR and BDR elections? (Choose three.) LONDON PALMER CAIRO FRANKLIN
26	How is RIP configured on a router? RIP is configured globally and then assigned an IP address and subnet mask. RIP is configured globally and then applied to each interface that will participate in the RIP routing process. RIP is configured individually on each interface that will participate in the RIP routing process. RIP is enabled globally and then networks are associated with the RIP routing process.
27	In an effort to minimize traffic, an administrator decided to keep web traffic from causing the ISDN link to come up by denying WWW traffic to the 192.168.20.5 remote server. Two minutes after making changes to the configuration as shown in the graphic, the administrator notices that web traffic is still passing over the link. What is the most likely cause of the problem? The dialer-group has not been applied to outbound traffic. The access-list is incorrectly configured. Broadcasts are creating "interesting" traffic and keeping the link active. The command ip access-group 128 out is missing from the bri0/0 interface.
28	Which of the following describe the Spanning Tree Protocol? (Choose two.) It prevents routing loops. It prevents broadcasts in a switched network. It operates at Layer 3. It uses BPDUs to select the shortest path in a switched network. It allows a router to load balance across redundant links. It prevents switching loops.
29	Which of the following WAN services uses two data link layer encapsulations, one for data and one for signaling? ISDN Frame Relay ATM FDDI
30	What is the length of a MAC address? 12 bits 24 bits 38 bits 48 bits
31	What is another term for latency? backoff algorithm hold-down timer propagation delay redundancy
32	Within a Frame Relay network, which methods are used by switches to inform DTEs of congestion? CCP and LMI CIR and LATE DLCI and SPID FECN and BECN
33	For the purpose of forwarding packets, which protocol manages communication between routers regarding available routes ? DNS ICMP RIP ARP CDP STP
34	What enables routers to learn of destination networks? proxy ARP CAM table exchanges host name tables routing protocols DNS lookups
35	Which command will display the name of the Cisco IOS currently running on a router? show ip interfaces show ip route show cdp nei detail show version
36	When connecting two routers from different vendors using a dedicated point-to-point connection, which type of encapsulation should be used? Cisco HDLC IETF PPP
37	Which fields are common to the TCP and the UDP segments? (Choose two.) source address sequence number acknowledgement number options checksum destination port
38	How are VLANs configured? by moving switches to different router ports by changing switchports for each host on the segment by physically moving equipment to a different network through software through hardware automatically with a plug and play module
39	Which commands will configure the router ports with IP addresses as shown in the diagram? (Choose three.) R1(config)# interface s0 R1(config-if)# ip address 10.1.1.146 255.255.255.252 R1(config)# interface e0 R1(config-if)# ip address 10.1.7.254 255.255.252.0 R1(config)# interface s0 R1(config-if)# ip address 10.1.1.147 255.255.255.0 R1(config)# interface e0 R1(config-if)# ip address 10.1.4.0 255.255.252.0 R2(config)# interface e0 R2(config-if)# ip address 10.1.16.1 255.255.255.0 R2(config)# interface e0 R2(config-if)# ip address 10.1.31.254 255.255.240.0
40	Which mode will a router enter if it is unable to locate a valid startup configuration file during the boot process? boot mode config mode RXBOOT mode ROM monitor mode setup mode turnkey mode
41	What are the advantages of OSPF in comparison with RIP v2? (Choose two.) OSPF provides support for Classless Interdomain Routing but RIP v2 does not. OSPF may result in faster convergence, due to triggered updates. OSPF's built-in features make it easy to design, implement, and troubleshoot. OSPF routers build a complete view of the network, reducing the potential for routing loops. OSPF sends periodic link state advertisements to keep the link active. OSPF routers have lower memory and processor requirements.
42	Which packet-switched WAN technologies are characterized by the use of Permanent Virtual Circuits (PVCs)? Frame Relay and ISDN Frame Relay and X.25 ISDN and X.25 ISDN only
43	Which statement is correct concerning routing and routed protocols? A routed protocol allows the routers to communicate with other routers and maintain tables for a routing protocol. A routing protocol allows routers to communicate with other routers and maintain tables for a routed protocol. Routers only need to use routing protocols to work properly. There is no difference between routed and routing protocols.
44	Which of the following are commonly used routing metrics? (Choose three.) ARP hop count window size delay load media type
45	Which representations have the same meaning when representing the subnet mask? /10 and 255.224.0.0 /15 and 255.255.0.0 /21 and 255.255.248.0 /24 and 255.255.0.0
46	Which router parameters can be set from global configuration mode? (Choose two.) IP address Telnet password hostname console password subnet mask enable secret password
47	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
48	What is used to resolve known IP addresses to unknown MAC addresses? ARP DNS DHCP RARP
49	What are the effects of LAN segmentation using a switch? (Choose three.) dedicated bandwidth between source and destinations enlarged collision domains decreased broadcast domains increased number of collision domains increased latency in the network
50	Network broacast traffic from the Business Department is needlessly reaching the Engineering Department LAN. What can be done to contain this traffic within the Business Department network while maintaining connectivity with enterprise servers and the Internet? (Choose two.) Establish a VTP domain to contain the extraneous traffic. Provide greater bandwidth to the Engineering Department LAN. Utilize full-duplex Ethernet on the Engineering Department LAN. Place the business department on a separate subnet and route between networks. Change the switch IP address to an address on the Engineering Department LAN. Create separate VLANs and subnets for the two departments and route between the two.
51	Which address does a bridge use to build its bridging table? destination IP address destination MAC address source IP address source MAC address
52	What are the functions of a Layer 2 Ethernet switch? (Choose three.) preventing broadcasts increasing available bandwidth per user decreasing the size of collision domains isolating traffic among segments routing traffic between different networks decreasing the number of broadcast domains
53	In reference to the TCP/IP model, which protocol is used to determine the network access layer address associated with a known Internet layer address? ARP ICMP IP RARP TCP UDP
54	Which ISDN channel is used for call setup? B D X SS-7 PRI BRI
55	Which of the following is the reference point between the NT1 and the phone company network? R S T U
56	How is the number 225 represented in binary? 11001111 11011011 11110011 11100001
57	What is the command syntax used to create a subinterface? Router(config-if)# int s0.115 point-to-point Router(config-if)# int s0 subinterface 115 point-to-point Router(config-if)# subinterface 115 point-to-point Router(config-if)# subinterface s0.115 point-to-point
58	Which item best describes the ping command? It uses ICMP echo packets to verify connectivity at the TCP/IP internet layer. It checks for connectivity at the TCP/IP application layer. It uses Time to Live (TTL) values to generate messages from each router used along a path. It verifies sliding window settings at the TCP/IP transport layer.
59	What are two authentication options supported by PPP? (Choose two.) clear text PAP CHAP LCP SLIP
60	An ISDN BRI line can be described as which of the following? 2B + D 2D + B 23B + D 23D + B
61	Which of the following is used for the delivery of EIGRP routing information? Reliable Transport Protocol (RTP) Diffusing Update Algorithm (DUAL) Protocol-Dependent Modules (PDMs) Routing Table Maintenance Protocol (RTMP)
62	Which device connects four-wire ISDN subscriber wiring to the conventional two-wire local loop? NT1 NT2 TE1 TE2
63	Which OSI model layer is responsible for regulating the flow of information from source to destination, reliably and accurately? application presentation session transport network
64	Given a router that has already been configured, what is the correct loading sequence when powering on? bootstrap, RAM, operating system bootstrap, configuration file, operating system bootstrap, operating system, configuration file operating system, configuration file, RAM