Quiz
Network 1
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Perguntas do quiz (83)
1What are two structured engineering principles necessary for successful implementation of a network design? (Choose two.)
- Amodularity
- Bsecurity
- Cavailability
- Dquality of service
- Eresiliency
2What is an important first consideration when starting to design a network?
- Asize of the network
- Baccess security
- Cprotocols to be used
- Dtype of applications
3Which layer of the Cisco Collaboration Architecture contains unified communications and conference software such as Cisco WebEx Meetings, WebEx Social, Cisco Jabber, and TelePresence?
- Aservice provider edge
- Benterprise WAN
- Capplications and devices
- Dservices module
4In which layer of the hierarchical enterprise LAN design model would PoE for VoIP phones and access points be considered?
- Acore
- Bphysical
- Cdata link
- Daccess
- Edistribution
5Which network module is the fundamental component of a campus design?
- Aaccess-distribution module
- Bservices module
- Cdata center
- Denterprise edge
6In a hierarchical network design, which layers may be combined into a collapsed core for smaller networks?
- Acore, distribution, and access
- Bdistribution and access
- Ccore and access
- Dcore and distribution
7Refer to the exhibit. Which type of ISP connectivity to the service provider edge is being used by company A?
- Adual-homed
- Bdual-multihomed
- Csingle-homed
- Dmultihomed
8What is one advantage to designing networks in building block fashion for large companies?
- Amobility
- Bredundancy
- Cincreased network access time
- Dfailure isolation
9A network engineer wants to redesign the wireless network and make use of wireless network controllers that manage the many deployed wireless access points. In which network design module of the campus network architecture would the centralized wireless network controllers be found?
- Aservices
- Baccess-distribution
- Centerprise edge
- Ddata center
10Which two devices would commonly be found at the access layer of the hierarchical enterprise LAN design model? (Choose two.)
- ALayer 3 device
- Bfirewall
- Caccess point
- DLayer 2 switch
- Emodular switch
11Which approach in networking allows for network changes, upgrades, or the introduction of new services in a controlled and staged fashion?
- Amodular
- Bnetwork module
- Cborderless
- Dstatic
12Refer to the exhibit. Which type of Cisco hierarchical LAN design model is used at school site 1?
- A7 layer
- Btwo-tier collapsed core
- Cthree-tier
- D3 layer
13Which three network architectures have been introduced by Cisco to address the emerging technology challenges created by the evolving business models? (Choose three.)
- ACisco Collaboration
- BCisco Data Center
- CCisco Borderless
- DCisco Enterprise Edge
- ECisco Enterprise Campus
- FCisco Enterprise Branch
14Which Cisco technology allows diverse network devices to connect securely, reliably, and seamlessly to enterprise network resources?
- ACisco AnyConnect
- Benterprise edge
- Cbuilding distribution
- Dservice provider edge
15The network design for a college with users at five sites is being developed. Where in the campus network architecture would servers used by all users be located?
- Aservices
- Benterprise edge
- Cdata center
- Daccess-distribution
16What is creating a new challenge for IT departments by changing the border of the enterprise network?
- Atablets
- Bcompany-owned desktops
- Cenergy costs
- Daccess layer switching
17Which network architecture functions through a combination of technologies that include wired, wireless, security, and more?
- ACisco Borderless
- BCisco Enterprise Campus
- CCisco Enterprise Edge
- DCisco Enterprise Branch
18Which network architecture combines individual components to provide a comprehensive solution allowing people to cooperate and contribute to the production of something?
- ACisco Enterprise Campus Architecture
- BCisco Enterprise Branch Architecture
- CCisco Borderless Network Architecture
- DCisco Collaboration Architecture
19Reducing the complexity of network design by dividing a network into smaller
areas is an example of a [blank_start]hierarchical[blank_end] network model.- Ahierarchical
20Under the Cisco Enterprise Edge module, the submodule that provides remote access
including authentication and IPS appliances is the [blank_start]VPN[blank_end] and remote access submodule.- AVPN
21Which WAN technology is cell-based and well suited to carry voice and video traffic?
- AVSAT
- BISDN
- CFrame Relay
- DATM
22Which WAN connectivity method would be used in a remote location where there are no service provider networks?
- AVPN
- BWiMAX
- Ccable
- DVSAT
23Which network scenario will require the use of a WAN?
- AEmployees need to access web pages that are hosted on the corporate web servers in the DMZ within their building.
- BEmployees need to connect to the corporate email server through a VPN while traveling.
- CEmployee workstations need to obtain dynamically assigned IP addresses.
- DEmployees in the branch office need to share files with the headquarters office that is located in a separate building on the same campus network.
24Which two technologies use the PSTN network to provide an Internet connection? (Choose two.)
- AATM
- BISDN
- CFrame Relay
- DMPLS
- Edialup
25Which geographic scope requirement would be considered a distributed WAN scope?
- Aregional
- Bone-to-one
- Cglobal
- Dlocal
- Eone-to-many
- Fmany-to-many
26What are two advantages of packet switching over circuit switching? (Choose two.)
- AA connection through the service provider network is established quickly before communications start.
- BThere are fewer delays in the data communications processes.
- CThe communication costs are lower.
- DMultiple pairs of nodes can communicate over the same network channel.
- EA dedicated secure circuit is established between each pair of communicating nodes.
27Which connectivity method would be best for a corporate employee who works from home two days a week, but needs secure access to internal corporate databases?
- AVPN
- BWiMAX
- CDSL
- Dcable
28Which wireless technology provides Internet access through cellular networks?
- Asatellite
- Bmunicipal WiFi
- CLTE
- DWiMAX
29What is a requirement of a connectionless packet-switched network?
- AFull addressing information must be carried in each data packet.
- BA virtual circuit is created for the duration of the packet delivery.
- CEach packet has to carry only an identifier.
- DThe network predetermines the route for a packet.
30A customer needs a WAN virtual connection that provides high-speed, dedicated bandwidth between two sites. Which type of WAN connection would best fulfill this need?
- Acircuit-switched network
- Bpacket-switched network
- CMPLS
- DEthernet WAN
31Which WAN technology establishes a dedicated constant point-to-point connection between two sites?
- AATM
- BFrame Relay
- Cleased lines
- DISDN
32A company needs to interconnect several branch offices across a metropolitan area. The network engineer is seeking a solution that provides high-speed converged traffic, including voice, video, and data on the same network infrastructure. The company also wants easy integration to their existing LAN infrastructure in their office locations. Which technology should be recommended?
- AFrame Relay
- BEthernet WAN
- CISDN
- DVSAT
33A home user lives within 10 miles (16 kilometers) of the Internet provider network. Which type of technology provides high-speed broadband service with wireless access for this home user?
- AWiMAX
- BDSL
- C802.11
- Dmunicipal Wi-Fi
34Which two devices are needed when a digital leased line is used to provide a connection between the customer and the service provider? (Choose two.)
- Adialup modem
- Baccess server
- CDSU
- DCSU
- ELayer 2 switch
35What is a feature of dense wavelength-division multiplexing (DWDM) technology?
- AIt replaces SONET and SDH technologies.
- BIt provides Layer 3 support for long distance data communications.
- CIt provides a 10 Gb/s multiplexed signal over analog copper telephone lines.
- DIt enables bidirectional communications over one strand of fiber.
36What is the recommended technology to use over a public WAN infrastructure when a branch office is connected to the corporate site?
- Amunicipal Wi-Fi
- BVPN
- CATM
- DISDN
37A small company with 10 employees uses a single LAN to share information between computers. Which type of connection to the Internet would be appropriate for this company?
- Aa broadband service, such as DSL, through their local service provider
- Ba dialup connection that is supplied by their local telephone service provider
- CVirtual Private Networks that would enable the company to connect easily and securely with employees
- Dprivate dedicated lines through their local service provider
38What is a long distance fiber-optic media technology that supports both SONET and SDH, and assigns incoming optical signals to specific wavelengths of light?
- AATM
- BMPLS
- CISDN
- DDWDM
39A new corporation needs a data network that must meet certain requirements. The network must provide a low cost connection to sales people dispersed over a large geographical area. Which two types of WAN infrastructure would meet the requirements? (Choose two.)
- Aprivate infrastructure
- Bdedicated
- Cpublic infrastructure
- DInternet
- Esatellite
40What are two common high-bandwidth fiber-optic media standards? (Choose two.)
- AITU
- BANSI
- CATM
- DSDH
- ESONET
41Which address is used in the Address field of a PPP frame?
- Aa single byte of binary 10101010
- Ba single byte of binary 11111111
- Cthe IP address of the serial interface
- Da single byte of binary 00000000
42How does PPP interface with different network layer protocols?
- Aby specifying the protocol during link establishment through LCP
- Bby encoding the information field in the PPP frame
- Cby using separate NCPs
- Dby negotiating with the network layer handler
43Which command can be used to view the cable type that is attached to a serial interface?
- ARouter(config)# show controllers
- BRouter(config)# show ip interface
- CRouter(config)# show interfaces
- DRouter(config)# show ip interface brief
44In which situation would the use of PAP be preferable to the use of CHAP?
- Awhen plain text passwords are needed to simulate login at the remote host
- Bwhen router resources are limited
- Cwhen multilink PPP is used
- Dwhen a network administrator prefers it because of ease of configuration
45Which protocol will terminate the PPP link after the exchange of data is complete?
- AIPCP
- BLCP
- CIPXCP
- DNCP
46Refer to the exhibit. Which statement describes the status of the PPP connection?
- ABoth the link-establishment and network-layer phase completed successfully.
- BOnly the network-layer phase completed successfully.
- COnly the link-establishment phase completed successfully.
- DNeither the link-establishment phase nor the network-layer phase completed successfully.
47Which is an advantage of using PPP on a serial link instead of HDLC?
- Aoption for session establishment
- Bhigher speed transmission
- Coption for authentication
- Dfixed-size frames
48Which three statements are true about PPP? (Choose three.)
- APPP can use synchronous and asynchronous circuits.
- BPPP carries packets from several network layer protocols in LCPs.
- CPPP can only be used between two Cisco devices.
- DPPP uses LCPs to agree on format options such as authentication, compression, and error detection.
- EPPP uses LCPs to establish, configure, and test the data link connection.
49When configuring Multilink PPP, where is the IP address for the multilink bundle configured?
- Aon a subinterface
- Bon a physical serial interface
- Con a physical Ethernet interface
- Don a multilink interface
50Which field marks the beginning and end of an HDLC frame?
- AFCS
- BFlag
- CControl
- DData
51Refer to the exhibit. Based on the debug command output that is shown, which statement is true of the operation of PPP.
- ABoth PAP and CHAP authentication were attempted.
- BA PPP session was successfully established.
- CCHAP authentication failed because of an unknown hostname.
- DThe debug output is from router R2.
52During a PPP session establishment phase, which two messages are sent by the requested party if the options are not acceptable? (Choose two.)
- AConfigure-Reject
- BCode-Reject
- CDiscard-Request
- DConfigure-Nak
- EProtocol-Reject
53A network administrator is evaluating authentication protocols for a PPP link. Which three factors might lead to the selection of CHAP over PAP as the authentication protocol? (Choose three.)
- Auses an unpredictable variable challenge value to prevent playback attacks
- Buses a three-way authentication periodically during the session to reconfirm identities
- Ctransmits login information in encrypted format
- Dcontrol by the remote host of the frequency and timing of login events
- Eestablishes identities with a two-way handshake
- Fmakes authorized network administrator intervention a requirement to establish each session
54What are three components of PPP? (Choose three.)
- ALCP
- Bmultilink
- CNCP
- DHDLC-like framing
- Ecompression
- Fauthentication
55Refer to the exhibit. A network administrator is configuring the PPP link between the two routers. However, the PPP link cannot be established. Based on the partial output of the show running-config command, what is the cause of the problem?
- AThe passwords do not match.
- BThe usernames do not match.
- CThe passwords should be longer than 8 characters.
- DThe interface IP addresses are in different subnets.
56Which PPP option can detect links that are in a looped-back condition?
- AMagic Number
- BCallback
- CMRU
- DACCM
57Which three are types of LCP frames used with PPP? (Choose three.)
- Alink-negotiation frames
- Blink-acknowledgment frames
- Clink-maintenance frames
- Dlink-termination frames
- Elink-establishment frames
- Flink-control frames
58At which layer of the OSI model does multiplexing take place?
- ALayer 3
- BLayer 4
- CLayer 2
- DLayer 1
59Which three physical layer interfaces support PPP? (Choose three.)
- AGigabitEthernet
- Basynchronous serial
- CHSSI
- Dsynchronous serial
- EPOTS
- FFastEthernet
60Which serial 0/0/0 interface state will be shown if no serial cable is attached to the router, but everything else has been correctly configured and turned on?
- ASerial 0/0/0 is up, line protocol is down
- BSerial 0/0/0 is administratively down, line protocol is down
- CSerial 0/0/0 is up (disabled)
- DSerial 0/0/0 is up, line protocol is up
- ESerial 0/0/0 is down, line protocol is down
- FSerial 0/0/0 is up (looped)
61What is a characteristic of Frame Relay that provides more flexibility than a dedicated line?
- ACustomers use dedicated circuits in increments of 64 kb/s.
- BDedicated physical circuits are installed between each site.
- CThe Frame Relay cloud allocates as much bandwidth as required to active PVCs to maintain the connection.
- DOne router WAN port can be used to connect to multiple destinations.
62What are the two major criteria that constitute the cost of a Frame Relay circuit? (Choose two.)
- AQoS
- Bend-to-end connectivity
- Clocal loop
- Drequired bandwidth
- Ecircuit management fees
63A router interface connects to a Frame Relay network over a preconfigured logical circuit that does not have a direct electrical connection from end to end. Which type of circuit is being used?
- ASVC
- Bhub and spoke
- Cfull mesh
- Ddedicated leased line
- EPVC
64Which Frame Relay topology provides a connection from every site to every other site and maintains a high amount of reliability?
- Ahub and spoke
- Bpartial mesh
- Cfull mesh
- Dstar
65Which technology allows a Layer 3 IPv4 address to be dynamically obtained from a Layer 2 DLCI?
- ANeighbor Discovery
- BAddress Resolution Protocol
- CInverse Neighbor Discovery
- DInverse Address Resolution Protocol
66A network administrator has statically configured the LMI type on the interface of a Cisco router that is running Cisco IOS Release 11.2. If the service provider modifies its own LMI type in the future, what step must the network administrator take?
- AThe network administrator must modify the keepalive time interval to maintain connectivity with the LMI type of the service provider.
- BThe network administrator does not have to do anything, because all LMI types are compatible with one another.
- CThe network administrator must statically set the LMI type to be compatible with the service provider.
- DThe network administrator simply has to verify connectivity with the provider, because the router has an LMI autosensing feature that automatically detects the LMI type.
67Which two functions are provided by the Local Management Interface (LMI) that is used in Frame Relay networks? (Choose two.)
- Amapping of DLCIs to network addresses
- Berror notification
- Ccongestion notification
- Dsimple flow control
- Eexchange of information about the status of virtual circuits
68Which parameter would be specified in a Frame Relay provider contract for a particular company?
- ADE
- BQoS
- CInverse ARP enabled/disabled
- DCIR
69Which three notification mechanisms are used when congestion is present in a Frame Relay network? (Choose three.)
- ADE
- BBECN
- Cinverse ARP
- DCIR
- EFECN
- FDLCI
70Why would a customer request a Frame Relay circuit with a CIR of zero?
- Ato have a circuit used for network management traffic
- Bto have a backup circuit for critical data transmissions
- Cto have better QoS
- Dto have a link with reduced costs
- Eto have a circuit used for voice traffic
71Which provider-negotiated parameter would allow a customer to send data above the rate of the bandwidth specified by the CIR?
- ADE
- BFECN
- CBe
- DBc
72What is the purpose of applying the command frame-relay map ip 10.10.1.2 110 broadcast?
- Ato support IPv6 traffic over the NBMA network by using DLCI 110
- Bto allow Frame Relay frames to be broadcast over DLCI 110
- Cto allow Frame Relay frames to be broadcast toward host 10.10.1.2
- Dto allow Frame Relay frames to be broadcast on all Frame Relay interfaces
- Eto configure a device with a static Frame Relay map that also allows the forwarding of routing updates
73Refer to the exhibit. Which statement is true about Frame Relay traffic on R1?
- ATraffic that exits subinterface Serial 0/0/0.102 is marked with DLCI 201.
- BTraffic on Serial 0/0/0 is experiencing congestion between R1 and the Frame Switch.
- CTraffic that is mapped to DLCI 201 will exit subinterface Serial 0/0/0.201.
- DFrames that enter router R1 from a Frame Relay neighbor will have DLCI 201 in the frame header.
74Which three actions can be taken to solve Layer 3 routing protocol router reachability issues when using Frame Relay? (Choose three.)
- AUse subinterfaces.
- BDisable Inverse ARP.
- CUse a full mesh topology.
- DUse the keyword cisco as the LMI type.
- EDisable split horizon.
- FConfigure static DLCI mappings.
75When would the multipoint keyword be used in Frame Relay PVCs configuration?
- Awhen multicasts must be supported
- Bwhen using physical interfaces
- Cwhen participating routers are in the same subnet
- Dwhen global DLCIs are in use
76A network engineer has issued the interface serial 0/0/1.102 point-to-point command on a router that will be communicating with another router over a Frame Relay virtual circuit that is identified by the DLCI 102. Which two commands would be appropriate for the network engineer to issue next? (Choose two.)
- Ano shutdown
- Bno ip address
- Cencapsulation frame relay
- Dip address 10.1.1.10 255.255.255.252
- Eframe-relay interface-dlci 102
77Which two Frame Relay router reachability issues are resolved by configuring logical subinterfaces? (Choose two.)
- ALMI status inquiry messages sent to the network are not received.
- BInverse ARP fails to associate all IP addresses to the correct DLCIs.
- CFrame Relay is unable to map a remote IP address to a DLCI.
- DDistance vector routing protocols are unable to forward routing updates back out the incoming interface to other remote routers.
- ELink-state routing protocols are unable to complete neighbor discovery.
78Refer to the exhibit. A network administrator has implemented the show interfaces serial 0/1/0 command. What can be verified from the displayed output?
- ARouter R1 connects to multiple sites through the serial 0/1/0 interface.
- BRouter R1 is forwarding traffic on interface serial 0/1/0 using the local DLCI 1023.
- CRouter R1 is not using the default LMI type.
- DRouter R1 has been configured with Frame Relay via the ietf keyword.
79The show frame-relay pvc command is best utilized to display the number for which type of packets that are received by the router?
- AFECN and BECN messages
- BInverse Neighbor Discovery messages
- CInverse ARP messages
- DLMI status messages
80Refer to the exhibit. A network administrator is configuring Frame Relay subinterfaces on R1. A distance vector routing protocol has also been configured. Data is routing successfully from R1 to networks that are connected to R2, R3, and R4, but routing updates between R2 and R3 are failing. What is the possible cause of this failure?
- ASplit horizon is preventing successful routing table updates on the multipoint link.
- BMultipoint Frame Relay networks cannot be used with this IP addressing scheme.
- CSubinterfaces cannot be used on multipoint Frame Relay links.
- DTwo DLCI identifiers cannot be configured on one subinterface.
81Refer to the exhibit. A network administrator issues the show frame-relay map command to troubleshoot the Frame Relay connection problem. Based on the output, what is the possible cause of the problem?
- AThe S0/0/1 interface of the R2 router is down.
- BThe IP address on S0/0/1 of R3 is configured incorrectly.
- CInverse ARP is providing false information to the R1 router.
- DThe S0/0/1 interface of the R2 router has been configured with the encapsulation frame relay ietfcommand.
- EThe Frame Relay map statement on the R3 router for the PVC to R2 is configured with an incorrect DLCI number.
82The Frame Relay [blank_start]DLCI[blank_end] identifies a connection from one endpoint to a remote destination.
- ADLCI
83The encapsulation frame-relay [blank_start]ietf[blank_end] command enables Frame Relay encapsulation and allows connection to a device from a different vendor.
- Aietf
Informações
- Descrição
- Quiz sobre Network 1, criado por BigDady313 . em 03-02-2016.
- Autor
- BigDady313 .
- Idioma
- English
- Visualizações
- 3
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