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Posted by gugi on May 29, 2006, 4:31 pm
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>1 What is the term for the cabling that connects the customer premises
>equipment to the CO switch?
>
> demarc
> local loop
> final mile
> DTE
> trunk line
>
>
> 2 A network administrator wants to reconfigure a router. Which of the
> following will clear the running-configuration in preparation for the
> reconfiguration?
>
> erase running-config and then reload
> erase running-config
> reload
> no running-config and then reload
> erase startup-config and then reload
> delete running-config
>
>
> 3 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.
>
>
> 4 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
>
>
> 5 Which of the following statements describes the operation of routing
> with EIGRP? (Choose three.)
>
> As new neighbors are discovered, entries are placed in a neighbor table.
> If the feasible successor has a higher advertised cost than the current
> successor route, then it becomes the primary route.
> If hello packets are not received within the hold time, DUAL must
> recalculate the topology.
> The reported distance is the distance to a destination as advertised by a
> neighbor.
> Routes learned through IGRP are identified as internal routes.
> EIGRP builds one routing table that contains routes for all configured
> routed protocols.
>
>
> 6 What are the two basic functions that a router uses to relay packets?
>
> filtering and switching
> path determination and filtering
> path determination and switching
> traffic analysis and filtering
>
>
> 7 A partial configuration of a Catalyst 1900 switch is shown in the
> graphic. Why do the following commands fail to delete VLAN1 and VLAN2?
> (Choose two.)
>
> no vlan 1
> no vlan 2
>
> VLAN 1 is not configured on the switch.
> VLAN 1 is the default VLAN and cannot be removed.
> The network administrator is using the wrong command.
> The switch is configured in VTP client mode.
> Ports are still assigned to VLAN 1 and VLAN 2 and the VLANs cannot be
> deleted until those assignments are removed.
>
>
> 8 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
>
>
> 9 What is another term for latency?
>
> backoff algorithm
> hold-down timer
> propagation delay
> redundancy
>
>
> 10 What are the two authentication options supported by PPP?
>
> PAP and clear text
> PAP and CHAP
> CHAP and clear text
> PPP does not support authentication
>
>
> 11 Which statement best describes the difference between exterior routing
> protocols and interior routing protocols?
>
> Exterior routing protocols are used for communications within a single
> autonomous system, and interior routing protocols are used for
> communications between autonomous systems.
> Interior routing protocols are used between neighbor routers, and exterior
> routing protocols are used between peer routers.
> Interior routing protocols are used by mid size companies, and exterior
> routing protocols are used by large organizations.
> Interior routing protocols are used for communications within a single
> autonomous system, and exterior routing protocols are used for
> communications between autonomous systems.
>
>
> 12 Which of the following is a non-ISDN compatible device that requires a
> terminal adapter to connect to an ISDN network?
>
> NT1
> NT2
> TA1
> TA2
> TE1
> TE2
>
>
> 13 Which device imposes boundaries on broadcast traffic?
>
> bridge
> repeater
> router
> transceiver
>
>
> 14
> Refer to exhibit. Given the topology shown in the exhibit, what three
> commands are needed to configure EIGRP on the Paris router? (Choose
> three.)
>
> Paris(config)# router eigrp 100
> Paris(config)# router eigrp
> Paris(config-router)# network 192.168.6.0
> Paris(config-router)# network 192.168.7.0
> Paris(config-router)# network 192.168.8.0
> Paris(config-router)# network 192.168.9.0
>
>
> 15 Which ISDN channel is used for call setup?
>
> B
> D
> X
> SS-7
> PRI
> BRI
>
>
> 16
> Host A in the graphic has received its DHCP configuration from R1. Host A
> is unable to reach the Internet. What could cause this problem?
>
> The DNS server is not on the same LAN as Host A.
> The ip helper-address command must be configured on the Ethernet
> interface.
> Host A did not receive the correct gateway address.
> The DHCP service has not been enabled on interface e0.
> The router IP address has been excluded from the DHCP pool.
> The subnet mask in the network command is incorrect.
>
>
> 17 Which utility can be used to verify connectivity through all seven
> layers of the OSI model?
>
> netstat
> ping
> Telnet
> traceroute
>
>
> 18 Which OSI model layer is responsible for regulating the flow of
> information from source to destination, reliably and accurately?
>
> application
> presentation
> session
> transport
> network
>
>
> 19 Which of the following represents a group of routers under a common
> administration and is required when configuring routing protocols such as
> EIGRP?
>
> control group
> autonomous system
> corporate system
> Domain Name System
> local-area network
> wide-area network
>
>
> 20 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.
>
>
> 21 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.
>
>
> 22 Which protocol of the TCP/IP model internet layer provides
> connectionless, best-effort-delivery of datagrams?
>
> ARP
> ICMP
> IP
> RARP
> TCP
> DNS
>
>
> 23 Which of the following is an alternative to a dedicated WAN link?
>
> X.25
> ISDN
> T1
> DS3
>
>
> 24
> The internetwork in the diagram is assigned a Class B network address of
> 130.68.0.0. The network cannot use subnet zero but will use a single
> network mask for the internetwork. What subnet mask should be assigned to
> ensure the maximum number of host addresses are available for use on each
> subnetwork?
>
> 255.255.224.0
> 255.255.240.0
> 255.255.248.0
> 255.255.252.0
> 255.255.255.224
> 255.255.255.240
>
>
> 25
> A packet destined for 10.188.12.12 is received by a router with the
> configuration shown in the graphic. The routing table displays the
> following lines:
>
> 10.0.0.0/24 is subnetted, 3 subnets
> R 10.5.5.0 [120/1] via 10.20.20.2, 00:00:18, Serial0/0
> C 10.20.20.0 is directly connected, Serial0/0
> C 10.10.10.0 is directly connected, FastEthernet0/0
>
> What will happen?
>
> The packet will be forwarded to the next hop.
> The router will forward the packet out all ports.
> The packet will be dropped.
> The router will forward the packet out all ports except the receiving
> port.
>
>
> 26 How is an access list implemented in a router?
>
> Enter the access list statements globally and apply the list globally.
> Enter the access list statements globally and apply the list to a specific
> interface.
> Enter the access list statements on a specific interface and apply the
> list globally.
> Enter the access list statements on a specific interface and apply the
> list to that same interface.
>
>
> 27 What are the primary functions of a Layer 2 Ethernet switch? (Choose
> three.)
>
> filters traffic between LAN segments
> achieves greater bandwidth per user
> prevents hosts from sending broadcasts
> increases the number of broadcast domains through VLANs
> decreases the number of collision domains through VLANs
>
>
> 28 Which of the following describes the CIR in a Frame Relay network?
>
> guaranteed data rate that the service provider commits to providing
> maximum data burst rate that the switch can handle
> number of simultaneous virtual circuits available from a service provider
> number of simultaneous DLCIs that can be established across the cloud
>
>
> 29 Which statements reflect the process of common LAN protocols accessing
> the media? (Choose three.)
>
> Ethernet is a non-deterministic protocol that allows the first node that
> accesses the medium to transmit its data.
> Token Ring is a deterministic protocol that allows only one node within
> the ring a turn to transmit data before passing control to the next node.
> Token Ring is a non-deterministic protocol that uses a first-come,
> first-serve approach for nodes to seize the token and transmit data.
> FDDI networks use a deterministic approach to assure that each node has
> fair access to the medium.
> Ethernet and Token Ring networks avoid collisions by allowing only one
> node to transmit at a time.
> Ethernet is a deterministic protocol that uses CSMA/CD to assure that each
> node takes turns to access the medium.
>
>
> 30 What is the purpose of DLCIs in Frame Relay?
>
> They determine the Frame Relay encapsulation type.
> They identify the logical circuit between a local router and a Frame Relay
> WAN switch.
> They represent the keepalives used to maintain the PVC in an active state.
> They represent the physical address of the router attached to a Frame
> Relay network.
>
>
> 31 An administrator has an older 1900 switch located on the edge of the
> network. What can the network administrator do to ensure that it does not
> become the root bridge of the spanning-tree network?
>
> decrease the BPDU hello timer update on the 1900
> assign the highest IP address to the switch that should be the root
> assign the lowest IP address to new root bridge
> assign the lowest priority to the switch that should be the root
> assign the highest priority to the new root bridge
> decrease the BID on the 1900 switch
>
>
> 32 What command is used to verify that a Frame Relay link is up and
> operational?
>
> Router# show line
> Router# show version
> Router# show interface
> Router# show frame-relay
> Router# show frame-relay status
>
>
> 33 Which of the following are true regarding bridges and switches? (Choose
> two.)
>
> Bridges are faster than switches because they have fewer ports.
> A switch is a multiport bridge.
> Bridges and switches learn MAC addresses by examining the source MAC
> address of each frame received.
> A bridge will forward a broadcast but a switch will not.
> Bridges and switches increase the size of a collision domain.
>
>
> 34 Which of the following does CHAP authentication use to increase
> security on a PPP link? (Choose three.)
>
> periodic verification of identity while the link is established
> secure recording of playback attacks
> transmission of the CHAP password in plain text
> the use of a unique and random challenge value
> the use of a two-way handshake of CHAP exchanges
> identity verification at the startup of a link
>
>
> 35 When a user generates information to be sent on a network, in what
> order does data encapsulation occur?
>
> data, frame, segment, packet, bits
> data, packet, frame, segment, bits
> data, packet, segment, frame, bits
> data, segment, packet, frame, bits
>
>
> 36 Which of the following are characteristics of RIPv2? (Choose two.)
>
> requires classful addressing for configured interfaces
> forwards routing updates using multicasts
> forwards routing updates using broadcasts
> operates as a hybrid routing protocol
> supports variable-length subnet masking
>
>
> 37 Which command will verify that a router is configured with RIPv2 and
> that the hold-down timer and administrative distance are set to the
> default values?
>
> show ip route
> show interface brief
> show ip protocols
> show interface
>
>
> 38
> The network in the graphic is using EIGRP with the metrics shown. Router A
> has a route to network 210.67.130.0 through Router C, with a feasible
> distance of three. What will happen if the direct link between A and C
> becomes unavailable? (Choose two.)
>
> DUAL will immediately promote the feasible successor route through Router
> B to successor route status.
> The route to Network C on Router A will be placed in Active status.
> The route to Network C on Router A will be placed in Passive status.
> Router A will send query packets to all neighbor routers.
> Router A will mark the link as down until regularly scheduled update
> packets are received.
>
>
> 39 What operations can be executed from the Router> prompt? (Choose two.)
>
> enter privileged mode with the enable command
> modify passwords
> modify the router name with the hostname command
> view basic router status
> view passwords
> view the running-configuration with the show running-config command
>
>
> 40 What is the reference point for a connection between a TA and a
> non-ISDN-compatible device?
>
> R
> S
> T
> U
>
>
> 41 Which item is a commonly used metric?
>
> ARP
> Hop Count
> Acknowledgment Number
> Time
>
>
> 42 Which ISDN channels are used for voice, video, and data?
>
> A channels
> B channels
> E channels
> D channels
> Q channels
> E channels
>
>
> 43 A static route needs to be configured to network 192.17.10.0/24. This
> route should have an administrative distance of 180. Which command will
> configure this route if the IP address of the next hop interface is
> 10.15.0.1?
>
> Router(config)# ip route 192.17.10.1 255.255.255.0 10.15.0.0 180
> Router(config)# ip route 192.17.10.0 255.255.255.0 10.15.0.1 180
> Router(config)# ip route 10.15.0.1 192.17.10.0 255.255.255.0 180
> Router (config)# ip static-route 192.17.10.0 255.255.255.255 10.15.0.1 180
> Router (config)# ip default-route 192.17.10.0 255.255.255.255 10.15.0.1
> 180
>
>
> 44 Which statements are true regarding OSPF DR and BDR elections? (Choose
> three.)
>
> The command ip ospf prioritypriority number is used to set the priority
> value that determines the DR.
> The default priority value for a router connected to a multiaccess network
> is 0.
> The router with the highest MAC address is elected as the DR when the
> default priority values are used.
> The loopback interface must be configured on the DR.
> The BDR is selected from remaining routers and uses the same criteria
> applied in the DR election.
> There are no DRs or BDRs on point-to-point links.
>
>
> 45 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
>
>
> 46 Which statement describes the store and forward transmission mode of an
> Ethernet switch?
>
> It is also referred to as a hybrid mode or as error sensing mode.
> It requires the switch to read the first 64 bytes of an Ethernet frame and
> then begins to forward the data.
> It decreases the latency of the transmission but has very little error
> detection.
> It increases latency with large frames, but error detection is high.
>
>
> 47 Which configuration parameters can a host receive from a DHCP server?
> (Choose three.)
>
> MAC address
> outside global address
> DNS server address
> DHCP helper address
> default gateway address
> IP address/subnet mask
>
>
> 48 Which layer of the OSI model can provide connection-oriented and
> reliable data transfer between two hosts?
>
> application
> presentation
> session
> transport
>
>
> 49 Which utility shows the route a packet takes to reach its destination?
>
> netstat
> ping
> Telnet
> traceroute
>
>
> 50 Which command displays the active configuration of a router?
>
> Router# show flash
> Router# show configuration
> Router# show running-config
> Router# show startup-config
>
>
> 51 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
>
>
> 52
> 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.
>
>
> 53 Which layer of the OSI model establishes, manages, and terminates
> sessions between applications?
>
> Layer 7
> Layer 6
> Layer 5
> Layer 4
> Layer 3
> Layer 2
>
>
> 54 When using distance-vector routing protocols in a frame relay
> environment with multiple DLCIs on a single physical router interface,
> split-horizon issues must be resolved. According to Cisco best practices,
> what should be configured to manage these issues?
>
> a single network address
> multiple LMIs
> subinterfaces
> multiple IP addresses on the same subnet
>
>
> 55 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
>
>
> 56 What is the length of a MAC address?
>
> 12 bits
> 24 bits
> 38 bits
> 48 bits
>
>
> 57 Identify the correct pairing of protocols and their classifications.
>
> Routed - IP, RIP
> Routed - RIP, OSPF
> Routing - IPX, RIP
> Routing - OSPF, RIP
>
>
> 58 Which protocols or applications allow a network administrator to
> monitor a network? (Choose three.)
>
> FTP
> SNMP
> RMON
> syslog
> DHCP
> SMTP
>
>
> 59 Which type of encapsulation is recommended to be used to connect two
> routers from different vendors through a dedicated point-to-point
> connection?
>
> CIR
> FCS
> ANSI
> PPP
> HDLC
>
>
> 60 Which command will display statistics for all interfaces configured on
> a router?
>
> list interfaces
> show interfaces
> show processes
> show statistics
>
>
> 61 What is the correct order of the layers of the OSI reference model,
> starting at the lowest layer and working up the model?
>
> data link, physical, transport, network, presentation, session,
> application
> physical, data link, network, session, transport, presentation,
> application
> physical, data link, network, transport, presentation, session,
> application
> physical, data link, network, transport, session, presentation,
> application
> application, session, presentation, transport, data link, network,
> physical
>
>
> 62 What is the purpose of the IOS enable secret command?
>
> to set password protection on incoming Telnet sessions
> to set password protection on the console terminal
> to allow a user access to User mode
> to allow a user to enter a password that will be encrypted
>
>
> 63 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
>
>
> 64
> The administrator of the network shown in the graphic would like to use
> VLSM to subnet the company's Class C address. Which subnet masks should be
> used on the LANs and serial links to waste the fewest host addresses?
> (Choose three.)
>
> 255.255.255.0
> 255.255.255.192
> 255.255.255.224
> 255.255.255.240
> 255.255.255.248
> 255.255.255.252
>
>
> 65 Which fields are common to the TCP and the UDP segments? (Choose two.)
>
> source address
> sequence number
> acknowledgement number
> options
> checksum
> destination port
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