单选题For a given Ethernet network, the failure cycle is set to 5 seconds and the heartbeat rate is set to 2 seconds.Given these values, what is the failure detection time for the network (in seconds)?()A5B10C12D20
单选题
For a given Ethernet network, the failure cycle is set to 5 seconds and the heartbeat rate is set to 2 seconds.Given these values, what is the failure detection time for the network (in seconds)?()
A
5
B
10
C
12
D
20
参考解析
解析:
暂无解析
相关考题:
Given the set of routers, each with an interface on the same multi-access network:Which router can never be a designated router on that multi-access network?() A.RouterAB.RouterBC.RouterCD.RouterD
On your OSPF network, routers TK1 and TK2 belong to the same Ethernet network. However, they are unable to establish an adjacency over this link. While troubleshooting this problem, you issue the show ip ospf interface Ethernet 0command on each router. The output from these commands is displayed below:What is the underlying cause of the routers failing to become adjacent?()A. The OSPF area is misconfigured.B. The priority on TK2 should be set lower.C. The cost on TK2 should be set lower.D. The hello and dead timers are misconfigured.E. You need to add a backup designated router to the network.F. The OSPF process ID numbers do not match.
A cluster script failed because it was unable to set the hostname, and the Cluster Manager reported the event failure. What must be done prior to sue the "HACMP Problem Determination Tools" - "Recover From Script Failure" to have the Cluster Manager resume cluster processing?() A、 Nothing, the "Recover From Script Failure" will correct the issue.B、 Disable and re-enable the effected Ethernet adapter by using ifconfig.C、 Correct the error by setting the hostname on the effected node from the command line.D、 Verify that the clinfo daemon is running prior to executing the "recover from scriptfailure".
For a given Ethernet network, the failure cycle is set to 5 seconds and the heartbeat rate is set to 2 seconds.Given these values, what is the failure detection time for the network (in seconds)?()A、5B、10C、12D、20
Given below is a list of scenarios: 1) A user terminates his session abnormally. 2) The connection between the server and the client application terminates because of a network failure. 3) A schema is accidentally dropped. 4) The tablespace is accidentally dropped from the database. 5) The hard disk gets corrupted and the data files in the disk are lost. 6) The database instance abnormally shuts down because of power failure. Which scenarios require DBAintervention to perform recovery()A、1, 3, and 6B、4, 5, and 6C、3, 4, and 5D、1, 2, and 6
A customer has a requirement to eliminate single points of failure for an application. They have allocated one Ethernet adapter to each VIO server on the system. Which features of PowerVM and AIX will support the customer requirement?()A、Etherchannel and trunkingB、Network Interface Backup and EtherchannelC、Shared Ethernet Adapter (SEA) Failover and EtherchannelD、Network Interface Backup and Shared Ethernet Adapter failover
A users Junos Pulse client uses 802.1X to access a wired network and is failing to authenticate. You run a packet capture from the users PC and notice that immediately after the client machine sends an EAPoL-start packet, an EAP-failure packet is returned. You review the RADIUS troubleshooting logs on the MAG Series device and do not see any authentication attempts from the user. Other users on the same Ethernet switch are successfully authenticating. Which device is sending the EAP-failure packet to the workstation?()A、The RADIUS serverB、The EAPoL serverC、The workstation's network adapterD、The Ethernet switch
VLANs have been enabled on an autonomous access point. In order for clients associating toVLANs other than the native VLAN to receive an IP address which of the following must beconfigured?()A、access point Ethernet port set to SSL trunkingB、switchport set to 802.1q trunkingC、switchport set to SSL trunkingD、access point Ethernet port not set to 802.1q trunking
Which two of these are characteristics of Metro Ethernet? ()A、class of serviceB、bandwidth profilesC、user-network interfaceD、Ethernet LAN circuit attributesE、Ethernet virtual circuit attributes
Your network has a mixture of Fast Ethernet and Gigabit Ethernet links. What needs t o be done to ensure optimal data routing when using OSPF?()A、Nothing. OSPF will determine the most optimal path for routing data by default.B、Adjust the hello and dead timers for more rapid detection of link failures.C、Increase the reference - bandw idth used to calculate the interface default metrics, on all routers in your network.D、Set the priority values on every broadcast interface to ensure that the designated and backup designated routers are the routers with the most processor and memory resources.
A customer has just purchased an 8-core POWER 570 which has two dual port 1 Gbps Integrated Virtual Ethernet (IVE) adapters. The customer wants to implement queue pairs (QPs) to take advantage of parallel processing of network traffic to its client logical partitions. Assuming that the system is to utilize the IVEs in both CECs, which configuration will allow a logical partition to utilize the entire eight cores for network traffic processing?()A、 Set Multiple Core Scaling (MCS) value of the port group to 8 and set multiple core parameter of the client Ethernet adapters to yes.B、 Set Multiple Core Scaling (MCS) value of the port group to 4 and set multiple core parameter of the client Ethernet adapters to yes.C、 Set Multiple Core Scaling (MCS) value of one of the physical port groups to 4 and set multiple core parameter of the client Ethernet adapters to yes.D、 Set Multiple Core Scaling (MCS) value of one of the physical port groups to 8 and set the multiple core parameter of the client Ethernet adapters to yes.
A system has a critical need for network services on a small network with a limited number of hosts. System overhead is not a concern. Which of the following should the system administrator do to help ensure connectivity in the event of a gateway failure?()A、Use the ifconfig command to enable dead gate detectionB、Use the no command to set active dead gateway detectionC、Use the route command to set active dead gateway detectionD、Add the line active_dgd=1 to the /etc/gated.conf command and refresh the gated daemon
A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency?()A、Two switch ports will be needed on a switch, two Ethernet cables will be needed for the server each connecting to two different Ethernet cards, and one IP address will be needed.B、Two switch ports will be needed on two different switches, two Ethernet cables will be needed for the server each connecting to two different Ethernet cards, and one IP address will be needed.C、Two switch ports will be needed on two different switches, two Ethernet cables will be needed for the server each connecting to two different Ethernet cards, two different IP addresses will be needed.D、One switch port will be needed on one switch, a splitter will be needed to split the connection, two ethernet cables will be needed for the server each connecting to two different Ethernet cards, and two different IP addresses will be needed.
Company.com has two POWER5 servers. They want the two servers’ virtual Ethernets to appear on the same IP subnet. Which of the following will connect the client virtual Ethernet adapters to the physical Ethernet switch connecting the two servers?()A、Configure a Shared Ethernet Adapter on the Virtual I/O Server.B、Use the same virtual LAN ID on each LPAR.C、Set up IP routing through an LPAR on each system.D、Set up an IP firewall through an LPAR on each system.
Company.com is adding HACMP to an existing pair of nodes. One node is using EtherChannel with only one adapter. The other node is using regular Ethernet connection to the switch. The customer is going to increase the number of network interfaces to two for each node. What other considerations need to be addressed in a HACMP environment?() A、 Al interfaces used for HACMP heartbeats must be identical. Differences in the interfaces will cause heartbeat failure.B、 The network interfaces should all be configured with the same frame type. The use of regular Ethernet frames is mandatory.C、 Network interfaces for HACMP must be all the same,Ethernet or 802.3. It does not matter which,as long as they are all the same.D、 HACMP can use any network interface supported by AIX. The options on the various interfaces are masked by the Ethernet switch and do not affect HACMP.
单选题Company.com is adding HACMP to an existing pair of nodes. One node is using EtherChannel with only one adapter. The other node is using regular Ethernet connection to the switch. The customer is going to increase the number of network interfaces to two for each node. What other considerations need to be addressed in a HACMP environment?()A Al interfaces used for HACMP heartbeats must be identical. Differences in the interfaces will cause heartbeat failure.B The network interfaces should all be configured with the same frame type. The use of regular Ethernet frames is mandatory.C Network interfaces for HACMP must be all the same,Ethernet or 802.3. It does not matter which,as long as they are all the same.D HACMP can use any network interface supported by AIX. The options on the various interfaces are masked by the Ethernet switch and do not affect HACMP.
单选题Your company has just upgraded its CATAGORY 5 Ethernet network from 10Mbps to 100Mbps. After the upgrade, the 20 Windows 2000 Professional computers in the marketing department can no longer connect to the network. The remaining 80 Windows 2000 computers in the company can connect, however. Your company uses NWLink as the only network protocol.You need to connect the computers in the marketing department to the network. What must you do? ()AConfigure the NWLink frame type of the network adapters to be ethernet 802.3.BConfigure the NWLink frame type of the network adapters to be ethernet II.CReplace the network adapters with 10/100 BNC adapters.DReplace the network adapters with 10/100 UTP network adapters.
单选题Vlans have been enabled on an autonomous access point. in order for clients associating to vlans other than the native vlan to receive an ip address. Which of the following must be configured?()Aaccess point ethernet port set to ssl trunkingBswitchport set to 802.1q trunkingCswitchport set to ssl trunkingDaccess point ethernet port not set to 802.1q trunking
单选题A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency?()ATwo switch ports will be needed on a switch,two Ethernet cables will be needed for theserver each connecting to two different Ethernet cards,and one IP address will be neededBTwo switch ports will be needed on two different switches two Ethernet cables will beneeded for the server each connecting to two different Ethernet cards,and one IP address will be neededCTwo switch ports will be needed on two different switches,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,two different IP addresses will be neededDOne switch port will be needed on one switch,a splitter will be needed to split the connection,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,and two different IP addresses will be needed
单选题Given below is a list of scenarios: 1)A user terminates his session abnormally. 2)The connection between the server and the client application terminates because of a network failure. 3)A schema is accidentally dropped. 4)The tablespace is accidentally dropped from the database. 5)The hard disk gets corrupted and the data files in the disk are lost. 6)The database instance abnormally shuts down because of power failure. Which scenarios require DBA intervention to perform recovery()A4 and 5B1,3,and 6C4,5,and 6D3,4,and 5E1,2,and 6
单选题A cluster script failed because it was unable to set the hostname, and the Cluster Manager reported the event failure. What must be done prior to sue the "HACMP Problem Determination Tools" - "Recover From Script Failure" to have the Cluster Manager resume cluster processing?()A Nothing, the Recover From Script Failure will correct the issue.B Disable and re-enable the effected Ethernet adapter by using ifconfig.C Correct the error by setting the hostname on the effected node from the command line.D Verify that the clinfo daemon is running prior to executing the recover from scriptfailure.
单选题Companycom will be using Virtual IO Server to share Ethernet adapters. What can be done to prevent network failure of the client if a Virtual IO Server goes down?()ACreate two virtual adapters on the client, each one from a separate Virtual IO ServerBEnable dead gateway detection on the client so that the network traffic can be reroutedCHave a spare network card on standby in the client in case the Virtual IO Server goes downDCreate an etherchannel adapter on the client using one Virtual Ethernet adapter from two separate Virtual IO Servers
单选题For a given Ethernet network, the failure cycle is set to 5 seconds and the heartbeat rate is set to 2 seconds.Given these values, what is the failure detection time for the network (in seconds)?()A5B10C12D20
单选题Given below is a list of scenarios: 1) A user terminates his session abnormally. 2) The connection between the server and the client application terminates because of a network failure. 3) A schema is accidentally dropped. 4) The tablespace is accidentally dropped from the database. 5) The hard disk gets corrupted and the data files in the disk are lost. 6) The database instance abnormally shuts down because of power failure. Which scenarios require DBAintervention to perform recovery()A1, 3, and 6B4, 5, and 6C3, 4, and 5D1, 2, and 6
单选题Companycom wants to reduce the number of copper, Ethernet adapters on their 4 way p5 570 running AIX 5.3 used in each of the four LPARs. Companycom has one database LPAR, two application LPARs, and one web LPAR. Only the Web LPAR needs to communicate with the outside world. What is the minimum number of Ethernet adapters that should be provided to ensure redundancy and no single point of failure?()AOne single port Ethernet adapterBFour dual port Ethernet adaptersCTwo single port Ethernet adaptersDEight single port Ethernet adapters
单选题A users Junos Pulse client uses 802.1X to access a wired network and is failing to authenticate. You run a packet capture from the users PC and notice that immediately after the client machine sends an EAPoL-start packet, an EAP-failure packet is returned. You review the RADIUS troubleshooting logs on the MAG Series device and do not see any authentication attempts from the user. Other users on the same Ethernet switch are successfully authenticating. Which device is sending the EAP-failure packet to the workstation?()AThe RADIUS serverBThe EAPoL serverCThe workstation's network adapterDThe Ethernet switch
单选题A customer is purchasing a 12-way p5-570 to run light development workloads on eight AIX 5.3 partitions with two network adapters each. When the current network configuration was reviewed, it was discovered that they only have four Ethernet ports available on their network switch. Which of the following solutions would prevent them from having to buy another network switch or hub?()AAdd two HMCs with two Ethernet adapters each and run EtherChannel for the original eight partitions.BAdd two HMCs with two Ethernet adapters each and run Virtual Ethernet for the original eight partitions.CAdd two hosting partitions with two Ethernet adapters each and run EtherChannel for the original eight partitions.DAdd two hosting partitions with two Ethernet adapters each and run Virtual Ethernet for the original eight partitions.