Category: Cisco
Cisco 642-892 Study Guide Book, The Most Effective Cisco 642-892 Brain Demos Is What You Need To Take
QUESTION 59
Refer to the exhibit. What should be taken into consideration when using the Cisco Aironet Desktop Utility (ADU) to configure the static WEP keys on the wireless client adapter?
A. The client adapter WEP key should be generated by the AP and forwarded to the client adapter before the client adapter can establish communication with the wireless network.
B. The client adapter WEP key should be generated by the authentication server and forwarded to the client adapter before the client adapter can establish communication with the wireless network.
C. In infrastructure mode the client adapter WEP key must match the WEP key used by the access point. In ad hoc mode all client WEP keys within the wireless network must match each other.
D. Before the client adapter WEP key is generated, all wireless infrastructure devices (such as access points, servers, etc.) must be properly configured for LEAP authentication.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 60
LAB
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
Answer: Check certifyme eEngine, Download from Member Center
QUESTION 61
Which two statements about the IS-IS routing protocol are true? (Choose two.)
A. In the IS-IS routing domain, routers may have adjacencies with other routers on multipoint links.
B. IS-IS metrics are based on delay, bandwidth, reliability, load, and MTU.
C. Level 1 routers learn about paths within the areas that the routers are connected to.
D. Level 2 routers are equivalent to ABRs in OSPF and learn about paths both within and between areas.
E. Level 1 and Level 2 routing is a function of ES-IS.
Correct Answer: AC Section: (none) Explanation
Explanation/Reference:
QUESTION 62
A client is searching for an access point (AP). What is the correct process order that the client and access point go through to create a connection?
A. probe request/response, authentication request/response, association request/response
B. association request/response, authentication request/response, probe request/response
C. probe request/response, association request/response, authentication request/response D. association request/response, probe request/response, authentication request/response
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 63
Refer to the exhibit. On the basis of the information in the exhibit, which two statements are true? (Choose two.)
A. The output was generated by entering the show ip bgp command on the ISP router.
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QUESTION 85
Which three interface commands will configure the switch port to support a connected Cisco phone and to trust the CoS values received on the port if CDP discovers that a Cisco phone is attached? (Choose three.)
A. mls qos trust override cos
B. mls qos trust cos
C. mls qos trust device cisco-phone
D. switchport priority extend cos_value
E. switchport voice vlan vlan-id
Correct Answer: BCE Section: (none) Explanation
Explanation/Reference:
QUESTION 86
Which three IP multicast address related statements are true? (Choose three.)
A. Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted with Time to Live (TTL) greater than 1.
B. Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers.
C. Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link-local addresses used by PIMv2 and IGMPv3.
D. Because they would map to overlapping IP multicast MAC addresses, multicast addresses 224.0.1.1 and 238.1.1.1 could not be used together.
E. Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA.
F. The administratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in purpose to RFC 1918 private unicast addresses.
Correct Answer: CEF Section: (none) Explanation
Explanation/Reference:
QUESTION 87
Which three statements about the EIGRP routing protocol are true? (Choose three.)
A. EIGRP sends periodic hello packets to the multicast IP address 224.0.0.9.
B. EIGRP sends periodic hello packets to the multicast IP address224.0.0.10.
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QUESTION 90
Refer to the exhibit. A trunk link is connected between switch A_SW and switch D_SW. Based on the configuration shown in the exhibit, how would the traffic coming from the switch A_SW be managed?
A. The trunk port Fa0/1 on switch A_SW will trust all CoS values on the frames coming from the IP phone.
B. The trunk port Fa0/1 on switch A_SW will trust all CoS values on the frames received on the IP phone.
C. The trunk port Fa0/1 on switch D_SW will trust all CoS values on the frames coming from port Fa0/1 on A_SW.
D. The trunk port Fa0/1 on switch D_SW will trust all CoS values on the frames received on the A_SW switch port Fa0/4.
E. The trunk port Fa0/1 on switch D_SW will trust all CoS values on the frames received on the IP phone port.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 91
Why should iBGP sessions be fully meshed within a Transit AS?
A. BGP requires redundant TCP sessions between iBGP peers.
B. A full mesh allows for optimal routing within the Transit AS.
C. Routes learned via iBGP are never propagated to other eBGP peers.
D. Routes learned via iBGP are never propagated to other iBGP peers.
E. Routes learned via eBGP are never propagated to other iBGP peers.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 92
LAB
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
QUESTION 93
Refer to the exhibit. Why does the trust state of interface FastEthernet 0/3 show “not trusted”?
A. DSCP map needs to be configured for VOIP.
B. ToS has not been configured.
C. ToS has been misconfigured.
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QUESTION 50
Which set of statements describes the correct order and process of a wireless client associating with a
wireless access point?
A. 1. Client sends probe request.
2.
Access point sends probe response.
3.
Client initiates association.
4.
Access point accepts association.
5.
Access point adds client MAC address to association table.
B. 1. Client sends probe request.
2.
Access point sends probe response.
3.
Client initiates association.
4.
Access point accepts association.
5.
Client adds access point MAC address to association table.
C. 1. Client sends probe request.
2.
Access point sends probe response.
3.
Access point initiates association.
4.
Client accepts association.
5.
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QUESTION 21
VTP is configured on switch PG1. Which of the following features were added in VTP version 2 that were not previously supported in VTP version 1? (Select two)
A. Supports Token Ring VLANs.
B. Allows VLAN consistency checks.
C. Saves VLAN configuration memory.
D. Reduces the amount of configuration necessary.
E. Allows active redundant links when used with spanning tree.
Correct Answer: AB Section: (none) Explanation
Explanation/Reference: QUESTION 22
The PassGuide switches are configured to use VTP. What’s true about the VLAN trunking protocol (VTP)? (Select two)
A. VTP messages will not be forwarded over nontrunk links.
B. VTP domain names need to be identical. However, case doesn’t matter. C. A VTP enabled device which receives multiple advertisements will ignore advertisements with higher configuration revision numbers.
C. A device in “transparent” VTP v.1 mode will not forward VTP messages. E. VTP pruning allows switches to prune VLANs that do not have any active ports associated with them.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 23
Switch PG1 and PG2 both belong to the PassGuide VTP domain. What’s true about the switch operation in VTP domains? (Select all that apply)
A. A switch can only reside in one management domain
B. A switch is listening to VTP advertisements from their own domain only C. A switch is listening to VTP advertisements from multi domains
C. A switch can reside in one or more domains
D. VTP is no longer supported on Catalyst switches
Correct Answer: AB Section: (none) Explanation
Explanation/Reference:
QUESTION 24
VTP devices in a network track the VTP revision number. What is a VTP configuration revision number?
A. A number for identifying changes to the network switch.
B. A number for identifying changes to the network router.
C. A number for identifying changes to the network topology.
D. None of the other alternativesapply.
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QUESTION 75
Refer to the exhibit and the partial configuration of switch SW_A and SW_B. STP is configured on all switches in the network. SW_B receives this error message on the console port:
00:06:34:
%CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on FastEthernet0/5 (not half
duplex),
with SW_A FastEthernet0/4 (half duplex) ,
with TBA05071417(Cat6K-B) 0/4 (half duplex).
What would be the possible outcome of the problem?
A.
The root port on switch SW_A will automatically transition to full-duplex mode.
B.
The root port on switch SW_B will fallback to full-duplex mode.
C.
The interfaces between switches SW_A and SW_B will transition to a blocking state.
D.
Interface Fa 0/6 on switch SW_B will transition to a forwarding state and create a bridging loop.
Correct Answer: D Section: Examen B Explanation
Explanation/Reference:
QUESTION 76
Which two statements are true about BPDU port-guard and BPDU filtering? (Choose two.)
A. BPDU port-guard can be enabled globally, whereas BPDU filtering must be enabled on a per-interface basis.
B. When globally enabled, BPDU port-guard and BPDU filtering apply only to PortFast enabled ports.
C. When globally enabled, BPDU port-guard and BPDU filtering apply only to trunking-enabled ports.
D. When a BPDU is received on a BPDU port-guard enabled port, the interface goes into the err-disabled state.
E. When a BPDU is received on a BPDU filtering enabled port, the interface goes into the err-disabled state.
F. When a BPDU is received on a BPDU filtering enabled port, the interface goes into the STP blocking state.
Correct Answer: BD Section: Examen B Explanation
Explanation/Reference:
QUESTION 77
Refer to the exhibit. Switch 15 is configured as the root switch for VLAN 10 but not for VLAN 20. If t STP configuration is correct, what will be true about Switch 15?
A. All ports will be in forwarding mode.
B. All ports in VLAN 10 will be in forwarding mode.
C. All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in blocking mode.
D. All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in standby mode.
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QUESTION 45
Look at the picture.
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
Answer: Check certifyme eEngine, Download from Member Center
QUESTION 46
Look at the picture.
This question is not scored, answer it or not will not effect your score. So we dont provide answers for it
A.
B.
C.
D.
Correct Answer:
Section: (none) Explanation
Explanation/Reference:
Answer: Check certifyme eEngine, Download from Member Center
QUESTION 47
When using MPLS unicast IP forwarding, what will happen if an LSR receives an incoming labeled packet but the LSR can’t find that incoming label in its LFIB?
A. The packet will be forwarded using the FIB.
B. The packet will be forwarded using the LIB.
C. The packet will be process switched by performing a route lookup in the routing table.
D. The packet will be forwarded using the LFIB with an imp-null outgoing label.
E. The packet will be dropped even if the IP destination exists in the FIB.
Correct Answer: E Section: (none) Explanation
Explanation/Reference:
QUESTION 48
A PE router is running EIGRP with its MPLS VPN customer. What is wrong with the following EIGRP configuration on the PE router? router eigrp 100 address-family ipv4 vrf testvpn network 10.0.0.0 redistribute bgp 65100 metric 10000 100 255 1 1500 ! output omitted
A. The autonomous-system as-number command is missing under the address-family.
B. The network 10.0.0.0 command should be configured under the router eigrp configuration mode and not under the address-family.
C. The redistribute bgp 65200 metric 10000 100 255 1 1500 command should be configured under the router eigrp configuration mode and not under the address-family.
D. The address-family ipv4 vrf testvpn command should be changed to address-family vpnv4 vrf testvpn.
E. The EIGRP AS number (100) does not match the BGP AS number (65100).
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 49
Lab.
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QUESTION 75
What is the VPN type where sites of two different companies are connected together via Frame Relay virtual circuits?
A. Overlay intranet VPN
B. Overlay extranet VPN
C. Peer-to-peer access VPN
D. Peer-to-peer Internet VPN
E. MPLS simple VPN
F. MPLS overlapping VPN
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 76
Which VPN implementation is achieved with technology such as Frame Relay and ATM?
A. Layer 1 overlay VPN
B. Layer 2 overlay VPN
C. Layer 3 overlay VPN
D. Peer-to-peer VPN
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 77
Which term is used to describe a VPN in which the service provider does not participate in the customer routing?
A. MPLS simple VPN
B. overlay VPN
C. shared PE peer-to-peer VPN
D. dedicated PE peer-to-peer VPN
E. MPLS complex VPN
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
Explanation: From the Layer 3 perspective, the P-network is invisible to the customer routers, which are linked with emulated point-to-point links. The routing protocols runs directly between customer routers that establish routing adjacencies and exchange routing information. The service provider is not aware of customer routing and has no information about customer routes. The responsibility of the service provider is purely the point-to-point data transport between customer sites. Reference: Cisco Press – Implementing Cisco MPLS Study guide p.4-21
QUESTION 78
Which three statements are correct regarding Layer 2 overlay VPNs and peer-to-peer VPNs? (Choose three.)
A. Peer-to-peer VPNs require the establishment of virtual circuits to connect the different customer sitestogether.
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QUESTION 40
The wireless LAN controller maintains up to how many controller crash files?
A. 5
B. 10
C. 15
D. 20
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 41
Your client has deployed a Cisco Wireless Location Appliance within their warehouse environment. They have been experiencing problems with tracking objects using active RFID tags. To verify proper access point deployment for Location Server, the results from an access point scan should show what information?
A. rogue access points
B. a minimum of three access points
C. non-overlapping channels
D. a minimum RSSI value of -50
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 42
A lightweight access point has been connected to a Catalyst 3550 24-PWR switch, and on power-up the access point fails. What is the problem with the switch?
A. Power is incorrectly configured on the port.
B. Power is not enabled on the port.
C. The power supply has inadequate wattage.
D. It does not support 802.3af PoE.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 43
On the WLSE, which of the following fault policies would be used to verify that access to the command-line interface of the access point is secure?
A. HTTP disabled
B. Telnet disabled
C. registration error
D. authentication failures threshold
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 44
In a network using Cisco autonomous access points running WDS, what port is used for authentication by the local authentication service on an accesspoint?
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QUESTION 45
When you implement 802.1x authentication on the ACS, which two configurations are performed under the ACS System Configuration? (Choose two.)
A. Users
B. Groups
C. Global Authentication Setup
D. RACs
E. Logging
F. NAPs
Correct Answer: CE Section: (none) Explanation
Explanation/Reference:
QUESTION 46
Which three of these statements are correct regarding DMVPN configuration? (Choose three.)
A. If running EIGRP over DMVPN, the hub router tunnel interface must have “next hop self” enabled: ip next-hop-self eigrp AS-Number
B. If running EIGRP over DMVPN, the hub router tunnel interface must have split horizon disabled: no ip split-horizon eigrp AS-Number
C. The spoke routers must be configured as the NHRP servers: ip nhrp nhs spoke-tunnel-ip-address
D. At the spoke routers, static NHRP mapping to the hub router is required: ip nhrp map hub-tunnel-ip-address hub-physical-ip-address
E. The GRE tunnel mode must be set to point-to-point mode: tunnel mode gre point-to-point
F. The GRE tunnel must be associated with an IPsec profile: tunnel protection ipsec profile profile-name
Correct Answer: BDF Section: (none) Explanation
Explanation/Reference:
QUESTION 47
Refer to the exhibit. What will result from this zone-based firewall configuration?
A. All traffic from the private zone to the public zone will be dropped.
B. All traffic from the private zone to the public zone will be permitted but not inspected.
C. All traffic from the private zone to the public zone will be permitted and inspected.
D. All traffic from the public zone to the private zone will be permitted but not inspected.
E. Only HTTP and DNS traffic from the private zone to the public zone will be permitted and inspected.
F. Only HTTP and DNS traffic from the public zone to the private zone will be permitted and inspected.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 48
Drop
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
Answer: Check certifyme eEngine, Download from Member Center
QUESTION 49
A.
