Cisco 642-995 Exam Questions & Answers Number: 642-995 Passing Score: 800 Time Limit: 120 min File Version: 36.9 http://www.gratisexam.com/ Exam Code: 642-995 Exam Name: Unified Computing Troubleshoot
Test-Papers QUESTION 1 Which operation is most likely to cause the corruption of an I/O module? A. improper firmware upgrade B. improper transition to EHV mode C. improper transition to Fibre Channel switch mode D. FULL state backup QUESTION 2 A Cisco UCS cluster has two four-link I/O module connections to a single chassis. Server 8 is provisioned with an M72-KR mezzanine card, which is pinned to I/O module Port 4. If I/O module Port 4 fails, what happens to the Ethernet traffic flow that is transmitted by Server 8? A. The traffic flow fails over to the second fabric interconnect. B. The traffic flow stops until an administrator takes corrective action. C. The traffic will be re-pinned to a different port on the same I/O module. D. The traffic will utilize the cluster ports to flow between the initiator and the target. QUESTION 3 A chassis has all four I/O module ports connected but only one is being used. Which action will establish full functionality to all four ports? A. Enable the connecting ports on the upstream fabric interconnect. B. Reacknowledge the chassis. C. Reboot the affected servers. D. Disable and re-enable the I/O module ports. QUESTION 4 Which command can be run on an upsteam Cisco MDS switch to determine if a virtual Fibre Channel interface has successfully logged into the fabric? A. show zoneset active
B. show fcdomain domain-list C. show vsan database D. show npiv status QUESTION 5 After connecting to an M71KR server adapter, which command displays the adapter's vifs WWNs? http://www.gratisexam.com/ A. show server-profile circuit server B. show-vifs C. show interface D. show fex detail QUESTION 6 Which policy type can be configured to monitor motherboard temperature? A. threshold policies B. maintenance policies C. power control policies D. BIOS policies QUESTION 7 In a fully provisioned Cisco UCS 5108 chassis, how many fan modules are present? A. 2 B. 4 C. 6
D. 8 QUESTION 8 Which tool can be used to view server temperature sensors? A. SoL B. dmidecode C. IPMI D. SPAN Correct Answer: C QUESTION 9 After a memory upgrade, a customer's server fails to boot. Which of the following could cause a server to be unable to boot? A. a correctable ECC DIMM error B. a non-correctable ECC DIMM error C. a correctable ECC DIMM error that exceeds the error rate threshold D. a degraded DIMM QUESTION 10 During an attempted SAN boot, ROM BIOS fails and reports failure to find the configured LUN. Which is the mostly likely cause? A. The service profile has incorrectly configured Ethernet interfaces. B. The service profile has incorrect LUN ID. C. The Cisco UCS cluster is in NPV mode rather than switch mode. D. The Cisco UCS cluster is in EHV mode rather than switch mode.
QUESTION 11 In order to perform a SAN boot, which entry should be located in the FCNS database? A. Initiator B. Target C. Any E Ports in the data path D. Both the Initiator and the Target QUESTION 12 By default, how long are cleared faults retained in the fault log? A. 10 minutes B. 1 hour C. 3 minutes D. 24 hours QUESTION 13 What information is recorded in the system event log? A. split-brain status B. VLAN membership C. over- and under-voltage D. high-availability status Correct Answer: C QUESTION 14 Which transport protocol is used by the Core File Exporter? A. TFTP B. FTP C. SCP D. SFTP
QUESTION 15 Which of the following commands would you execute from the Cisco UCSM shell? A. scope chassis 1 B. cd C. copy D. reboot QUESTION 16 Which of the following supports more than two component-resident versions of firmware? A. mezzanine adapters B. I/O modules C. Cisco UCS fabric interconnects D. CIMCs Correct Answer: C QUESTION 17 Which of the following statements is true regarding a Cisco UCS fabric interconnect operating in end- host mode? A. No domain ID is allocated. B. It performs local Fibre Channel switching only. C. It takes server FDISC events and passes them to the upstream switch as a FLOGI request. D. It supports enhanced zoning only. QUESTION 18 Which of the following is an example of information that is recorded in the system event logs? A. system uptime
B. POST and server run-time errors C. cluster quorum events D. split-brain discovery QUESTION 19 A Cisco UCS cluster has a discovery policy of one link. Two physical links connect each I/O module to the fabric interconnects. The chassis have not been reacknowledged. What is the mode of the link that is not currently carrying server traffic? A. Trunk B. Fabric C. Upstream D. Downstream QUESTION 20 A customer is trying to troubleshoot a Cisco UCS connectivity issue. Which Cisco UCS shell can run the ping and traceroute utilities? A. NX-OS B. fabric interconnect top-level C. local-mgmt D. adapter Correct Answer: C QUESTION 21 Which tool can be used to implement console connectivity to a server that does not have an attached physical console that is sometimes referred to as a headless server? A. SoL B. dmidecode C. IPMI D. SPAN
QUESTION 22 The DIMM status in the Cisco UCSM is displayed as which of the following when an unrecoverable error is detected? A. operable B. inoperable C. disabled D. degraded QUESTION 23 On a Cisco UCS system, which is the default Call Home policy type? A. Cisco TAC B. verbose C. pager_txt D. medium_txt QUESTION 24 A fabric interconnect interface has bpduguard enabled. In which mode is the fabric interconnect? A. Ethernet end-host mode B. Ethernet switch mode C. Fibre Channel end-host mode D. Fibre Channel switch mode QUESTION 25 What is the advantage of defining a management IP address in a service profile rather than obtaining the address from a management IP pool? A. The management IP address will follow the service profile if it migrates to another server.
B. The management IP address must be defined within the service profile for the server to be accessible. C. NIC teaming requires that the management IP address is defined in the service profile. D. High-availability failover requires a service-profile-defined management IP address. QUESTION 26 Which of the following would prevent a service profile from associating with a blade? A. Fibre Channel interfaces on an M51KR provisioned Cisco UCS B200 Blade Server blade B. absence of local hard drives C. absence of Ethernet interfaces in the service profile D. absence of a management interface in the service profile QUESTION 27 Which CLI shell would be used to view the service profile configuration? A. NX-OS B. adapter C. local-mgmt D. Cisco UCSM QUESTION 28 A customer would like to use Ethanalyzer to view the Ethernet traffic that is passing through a fabric interconnect. In a Cisco UCS environment, what type of traffic that is passing through a fabric interconnect can be analyzed? A. control and management B. control only C. management only D. end-device data
QUESTION 29 Which of the following would result in a link-level Fibre Channel failure? A. port mode mismatch B. VSAN allowed list C. virtual Fibre Cannel port VSAN membership D. VLAN allowed list QUESTION 30 Which of the following Cisco MDS commands displays the link state of Fibre Channel ports? A. show zoneset active B. show fcns database C. show vsan database D. show fcdomain domain-list QUESTION 31 Which of the following commands displays the link state of virtual interfaces? A. show service-profile circuit server x/y B. show fex detail C. show configuration D. show flogi database QUESTION 32 NPV mode is used in which of the following fabric interconnect modes? A. Fibre Channel end-host mode B. Fibre Channel switch mode C. Ethernet end-host mode D. Ethernet switch mode
QUESTION 33 Spanning Tree Protocol is used in which of the following fabric interconnect modes? A. Fibre Channel end-host mode B. Fibre Channel switch mode C. Ethernet end-host mode D. Ethernet switch mode QUESTION 34 Which of the following statements is true when VLANs are configured with a service profile? A. The VLAN allowed list of both the fabric interconnect uplink Ethernet ports and connecting upstream Ethernet switch ports needs to be manually configured. B. The VLAN allowed list of the fabric interconnect uplink Ethernet ports needs to be manually configured. C. The VLAN allowed list of the connecting upstream Ethernet switch ports needs to be manually configured. D. Neither the VLAN allowed list of the fabric interconnect uplink Ethernet ports or the connecting upstream Ethernet switch ports needs to be manually configured. Correct Answer: C QUESTION 35 A Cisco MDS administrator discovers that the port that is connected to a fabric interconnect is operating in E mode. What does this imply about the mode of the fabric interconnect? A. The fabric interconnect is operating in Fibre Channel end-host mode. B. The fabric interconnect is operating in Fibre Channel switch mode. C. The fabric interconnect is operating in Ethernet end-host mode. D. The fabric interconnect is operating in Ethernet switch mode.
QUESTION 36 A Cisco MDS administrator discovers that the port that is connected to a fabric interconnect is operating in F mode. What does this imply about the mode of the fabric interconnect? A. The fabric interconnect is operating in Fibre Channel end-host mode. B. The fabric interconnect is operating in Fibre Channel switch mode. C. The fabric interconnect is operating in Ethernet end-host mode. D. The fabric interconnect is operating in Ethernet switch mode. QUESTION 37 Which of the following Fibre Channel services does not run on a fabric interconnect in Fibre Channel end-host mode? A. VSAN tagging B. flow control C. link initialization D. domain services QUESTION 38 What is a probable cause of a failure when both Cisco VSMs are in active state? A. Control or Management VLAN issue B. Control or Packet VLAN issue C. Mismatch between the two Cisco VSM image versions D. Domain ID mismatch QUESTION 39 What is a probable cause of a failure for the active and standby Cisco VSMs to fully synchronize (for example, the state shows "synchronization in progress" for an extended period of time)? A. Control or Management VLAN issue B. Control or Packet VLAN issue C. Mismatch between the two Cisco VSM image versions D. Domain ID mismatch
Correct Answer: C QUESTION 40 What is the most likely cause if a newly installed VEM can be seen in the VMware vcenter Server Nexus 1000V DVS but not in the Cisco VSM show module command? A. Management VLAN is misconfigured. B. Control VLAN is misconfigured. C. Packet VLAN is misconfigured. D. There is an IP routing problem. QUESTION 41 What information is considered to be part of the "opaque data" when viewed from the VMware ESX Server? A. domain ID, Cisco VSM image version, switchname B. domain ID, switchname, control VLAN C. switchname, management VLAN, control VLAN D. Cisco VSM version, control VLAN, extension key QUESTION 42 What is the VEM VIB version in the 4.0.4.2.0.80-04.179 filename? A. 4.0.4.1.2 B. 0.80 C. 0.4 D..179 Correct Answer: C QUESTION 43 Which file type (extension) would you most likely look for when attempting to locate the VEM file for a manual
load? A..exe B..ovf C..ova D..vib E..vem QUESTION 44 What information can be learned from the output of the Cisco Nexus 1000V VSM CLI show svs connections command? A. UUID of the VMware vcenter Server B. IP address of the Cisco VSM C. data center operational parameters D. VLAN number of the management VLAN QUESTION 45 Which of the following statements regarding the Cisco VSM extension key is true? A. The extension key can change when the Cisco VSM is rebooted. B. The extension key is re-registered each time the Cisco VSM is rebooted. C. Multiple extension keys can exist in VMware vcenter if there are multiple Cisco VSMs in different domains. D. The extension key value in the Cisco VSM cannot be changed manually. Correct Answer: C QUESTION 46 Which two Cisco VSM functions use the management interface? (Choose two.) A. heartbeats between the Cisco VSM and the VEM B. high-availability communications C. ERSPAN traffic D. control traffic between the Cisco VSM and the VEM E. Cisco VSM to VMware vcenter traffic
E QUESTION 47 Which Cisco Nexus 1000V VM network adapter must be configured first when adding adapters to the VM guest for the Cisco VSM installation? A. Control B. Management C. Packet D. Does not matter, as long as all three are configured QUESTION 48 Each M81KR virtual interface card is configured within VMware as what type of interface? A. vnic interface B. veth interface C. Ethernet interface D. vmnic interface QUESTION 49 When troubleshooting Layer 2 problems, it is useful to know the MAC address of the source and destination nodes. Which command would you use to identify the source MAC address of traffic coming from a VM guest? A. Nexus 1000V show interface veth# B. Nexus 1000V show mac address-table C. VMware ESX Server ifconfig D. Nexus 1000V show interface ethernetm/p QUESTION 50
Which statement is true regarding Layer 2 control plane operations when viewed using the Cisco Nexus 1000V command line interface? A. The show cdp neighbor command is useful when trying to determine which external switch or switches are directly connected to the fabric interconnects. B. The show cdp neighbor command is useful in determining which VEMs are active. C. The show cdp neighbor command is useful in determining which VM guests are using the Cisco Nexus 1000V Switch. D. The show cdp neighbor command is not helpful for troubleshooting network problems because it displays no output. QUESTION 51 What is the minimum requirement for a port profile to be used by the VMware Administrator? A. Port profiles for uplinks must be configured in trunk mode. B. Port profiles must be in the "enable" state. C. Port profiles must not be in "shut" mode. D. Port profiles for vnics (type vethernet) must have at least one uplink available to them. QUESTION 52 When a VM guest is moved via VMware vmotion, what happens to the traffic statistics that are associated with that guest? A. Traffic counters for the guest are maintained because the Cisco Nexus 1000V eth interface moves with the guest. B. Traffic counters for the guest are maintained because the Cisco Nexus 1000V lveth interface moves with the guest. C. Traffic counters for the guest are maintained because the Cisco Nexus 1000V veth interface moves with the guest. D. Traffic counters for the guest are reset at the vnic level after the guest is moved. Correct Answer: C QUESTION 53 The extension key value that is registered in the VMware vcenter Server can always be viewed using which of the following?
A. Cisco VSM CLI command show vmwarevc extension-key B. VMware vcenter Server managed object base C. VMware vcenter DVS "properties" D. Cisco VSM CLI command show svs connections detail QUESTION 54 Which shell can display the contents of the Cisco UCSM database? A. NX-OS B. fabric interconnect top-level C. local-mgmt D. IOM QUESTION 55 An administrator returns from a break to find the following Cisco UCSM shell prompt: s6100-a /chassis/server # Which command displays the specific chassis and server to which the shell is scoped? A. pwc B. pwd C. show env D. where QUESTION 56 On a Cisco UCS fabric interconnect, by default, in which directory does the show tech support command place output? A. techsupport B. workspace C. volatile D. bootflash
QUESTION 57 Where does the system event log reside? A. CIMC B. Cisco Management Connection C. fabric interconnect D. EEPROM QUESTION 58 Which of the following pertains to Cisco UCSM access issues? A. Java.ucsm B. system event log C. Cisco UCSM management logs D. onboard mezzanine logs QUESTION 59 How many remote syslog servers can be used by a single Cisco UCS cluster? A. 1 B. 2 C. 3 D. 4 Correct Answer: C QUESTION 60 Which command will determine whether a device is logged into the fabric and can communicate with other members of its zone?
A. show zone B. show zoneset C. show fcns database D. show zoneset active QUESTION 61 A Cisco UCS administrator discovers that an uplink port on a fabric interconnect has the PortFast attribute defined. What does this imply about the mode of the fabric interconnect? A. The fabric interconnect is operating in Fibre Channel end-host mode. B. The fabric interconnect is operating in Fibre Channel switch mode. C. The fabric interconnect is operating in Ethernet end-host mode. D. The fabric interconnect is operating in Ethernet switch mode. QUESTION 62 Which Cisco UCS B-Series Blade Server is capable of RAID 5? A. B200 B. B250 C. B230 D. B440 QUESTION 63 When creating a service profile, an administrator discovers that a previously created MAC address pool is not visible from the service profile creation wizard. What is a possible cause? A. The administrator is logged into an account without administrative privileges. B. MAC pools cannot be used with service profiles. C. The MAC pool resides in a subordinate organization. D. The MAC pool is not in the same organization as the service profile. Correct Answer: C
QUESTION 64 What is required of the upstream Fibre Channel switch when a fabric interconnect is in Fibre Channel switch mode? A. The upstream switch must be a Cisco MDS switch. B. The upstream switch must be in interoperability mode. C. The upstream switch must be in NPIV mode. D. The upstream switch must be in NPV mode. QUESTION 65 When sending traffic from a VMware guest to an external device, at which two virtual interfaces would you most likely see very similar, if not identical, traffic counts? (Choose two.) A. VMware vnic interface B. Nexus 1000V veth interface C. Nexus 1000V lveth interface D. Nexus 1000V lveth interface E. VMware vmnic interface F. IOM backplane connection to mezzanine card B QUESTION 66 Which of the following commands displays the virtual interfaces that are associated with chassis x, server y? A. show service-profile circuit server x/y B. show fex detail C. show interface brief D. show pinning server-interfaces QUESTION 67 The show pinning border-interface command shows interfaces Ethernet 1/15-16 as down. Under what
circumstances might the ports actually be enabled and functioning in spite of the command output to the contrary? A. There is a VLAN mismatch. B. There is a speed mismatch. C. The ports are Fibre Channel ports. D. The ports are part of a functioning port channel. QUESTION 68 A fabric interconnect is in Fibre Channel end-host mode. What must be enabled on the upstream Cisco MDS switch? A. port channels B. NPV C. NPIV D. standard interoperability mode Correct Answer: C QUESTION 69 A fabric interconnect is in Fibre Channel end-host mode. What must be the port type on the Cisco MDS port that is connecting to the fabric interconnect? A. E B. TE C. NP D. F QUESTION 70 Under which circumstance will the Cisco UCSM show a DIMM status as degraded? A. A correctable ECC error is detected during run time. B. An uncorrectable ECC error is detected at boot time. C. An uncorrectable ECC error is detected at run time. D. The DIMM is not installed.
QUESTION 71 Which of the following ports on a Cisco UCS 6120 can operate at a speed of 1 Gb? A. Ethernet 1/1-40 B. Ethernet 1/1-10 C. Ethernet 1/16-20 D. Ethernet 1/1-8 QUESTION 72 On a Cisco UCS cluster, the TFTP Core File Exporter feature uses which networking protocol? A. TFTP B. FTP C. SCP D. SFTP http://www.gratisexam.com/