单选题Each of seven identical cards is numbered on one of its sides with a different integer from 1 to 7. The cards are turned over and then shuffled so that they are not in a predictable order. If two cards are selected at random without replacement, what i

题目

单选题

Each of seven identical cards is numbered on one of its sides with a different integer from 1 to 7. The cards are turned over and then shuffled so that they are not in a predictable order. If two cards are selected at random without replacement, what is the probability that their sum is at least l1?

4/9

4/21

49/81

7/10

4/7

相似考题

1.听力原文：M: I want to apply for a credit card. What are the common credit cards?W: Master Card, Visa, Discover, and American Express. Apply for the ones without annual fees. Some credit cards even pay you back about 1% - 2% of what you spend.Q: Which type of credit card is not mentioned in the conversation?(19)A．Smart Card.B．Master Card.C．Visa Card.D．American Express.

2.A server is configured with two network cards. To utilize the bandwidth of both network cards at the same time without assigning more than one IP address, which of the following load balancing techniques should be used?（）A. ClusteringB. NIC teamingC. OSPFD. VLAN tagging

3.A：Can I buy two or three cards fro meachset？ B：Oh，sorry，Wesellitby（）.A、singlyB、apieceC、setD、sets

4.听力原文：W: What is a smart card?M: A smart card is a secure, portable, tamper-resistant data-storage device. It has the exact size of a credit card and contains a computer with as much power as the original minicomputer.Q: What arc they talking about?(20)A．Cheque cards.B．Credit cards.C．Debit cards.D．Smart cards.

更多“单选题Each of seven identical cards is numbered on one of its sides with a different integer from 1 to 7. The cards are turned over and then shuffled so that they are not in a predictable order. If two cards are selected at random without replacement, what i”相关问题

第1题：

Which two benefits result from I/O consolidation using FCoE within the Cisco UCS?（）
- A、increases the number of VSANS without limit
- B、reduces power consumption per rack
- C、cuts the number of network cards and cables
- D、simplifies the management of SAN domains
正确答案:C,D
第2题：

A customer would like to buy a new Power 750 and attach 2 PCIe I/O drawers. What is the minimum configuration which will support this？（）
- A、One processor card and one GX+ expansion card
- B、Two processor cards and one GX++ expansion card
- C、One processor card， one GX+ expansion card， and one GX++ expansion card
- D、Two processor cards， one GX+ expansion card， and one GX++ expansion card
正确答案:C
第3题：

A customer is considering multiple options for a particular set of workloads on AIX v5.2. They need to run ten identical LPARS， each containing four fibre cards， two 2-port Ethernet cards， and one SCSI card as well as two internal boot disks. They want the LPARS to be split across two physical systems for redundancy purposes； cost is an issue. They need a total of approximately 40 rPerf for all ten workloads. Which of the following solutions best fits these needs？（）
- A、2 x p655 1.7ghz 8-way servers （21.87 rPerf each）
- B、2 x p670 1.5ghz 8-way servers （24.18 rPerf each）
- C、2 x p690 1.7ghz 8-way servers （27.11 rPerf each）
- D、2 x p650 1.45ghz 8-way servers （18.67 rPerf each）
正确答案:B
第4题：

A server is configured with two network cards. To utilize the bandwidth of both network cards at the same time without assigning more than one IP address, which of the following load balancing techniques should be used?（）
- A、Clustering
- B、NIC teaming
- C、OSPF
- D、VLAN tagging
正确答案:B
第5题：

A company wants to buy memory efficiently on their p5 590 to allow for the best performance. What is the best practice for adding memory for performance?（）
- A、Install more cards of smaller capacity and same size across MCMs. Use DDR2(dual data rate) memory if using HPC (High Performance Computing).
- B、Install fewer cards of larger capacity of the same size across MCMs. Servers with one processor book must have a minimum of four memory cards installed.
- C、Intermix DDR1 and DDR2 memory so that partitions requiring the higher performance can take advantage of them. Half of the available memory slots in the system should contain memory.
- D、Use fewer higher density memory cards so that a few memory slots are left open for future growth. Each processor book provides sixteen memory card slots. The p5 590 supports a maximum of 64 memory cards.
正确答案:A
第6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？（）
- 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.
正确答案:B
第7题：

单选题
Continuous availability is required for an application in a two-node cluster. There is one rotating resource group in the cluster， and the nodes are identical machines. Client telnet connections to the application cannot be broken because it takes 20 to 30 minutes to recycle the client workstations and transactions will be lost. What configuration best provides continuous connectivity to the application？（）
A
IPAT using IP Replacement without MAC address takeover.
B
IPAT using IP Aliasing and hardware MAC address takeover.
C
None because continuous telnet connectivity cannot be provided with HACMP.
D
Shared service IP address assigned to multiple network interface cards on each node.

正确答案： A
解析：暂无解析
第8题：

单选题
A：Can I buy two or three cards fro meachset？ B：Oh，sorry，Wesellitby（）.
A
singly
B
apiece
C
set
D
sets

正确答案： C
解析：暂无解析
第9题：

单选题
A student is instructed to arrange four cards in a row on a table. She has six cards to choose from, each of which has a different color: black, red, blue, green, yellow, and brown. If the student follows these instructions but otherwise chooses her cards randomly, what is the probability that her arrangement will be blue, red, yellow, and green, in that order?
A
1/90
B
1/ 180
C
1/360
D
1/540
E
1/720

正确答案： B
解析：
从6张不同颜色的卡片中选出其中四张排列为1列，第一张卡片有6中选择，第二张卡片有5中选择，以此类推，第三张和第三张卡片分别有4种和3种选择，所以将4张卡片排在一起的可能性为6 x 5 x 4 x 3 = 360种。所以概率为1/360。
第10题：

单选题
A server is configured with two network cards. To utilize the band width of both network cards at the same time without assigning more than one IP address，which of the following load balancing techniques should be used？（）
A
Clustering
B
NIC teaming
C
OSPF
D
VLAN tagging

正确答案： B
解析：暂无解析
第11题：

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?（）
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.

正确答案： D
解析：暂无解析
第12题：

单选题
A customer with two x445 servers wants to have two NetXtreme Dual Port Gigabit Ethernet adapters installed in each server. What is the minimally supported configuration that will allow maximum throughput？（）
A
Install the two cards in slots 5 and 6 in the x445.
B
Install the two cards in slots 3 and 5 in the x445 make sure slots 4 and 6 are not occupied.
C
Install an RXE-100 on each x445 and install one card in the x445 and one card in an RXE-100 on each system.
D
Connect an RXE-100 between the two x445s and install one card in each x445 and one card in each side of the RXE-100.

正确答案： A
解析：暂无解析
第13题：

Continuous availability is required for an application in a two-node cluster. There is one rotating resource group in the cluster， and the nodes are identical machines. Client telnet connections to the application cannot be broken because it takes 20 to 30 minutes to recycle the client workstations and transactions will be lost. What configuration best provides continuous connectivity to the application？（）
- A、 IPAT using IP Replacement without MAC address takeover.
- B、 IPAT using IP Aliasing and hardware MAC address takeover.
- C、 None because continuous telnet connectivity cannot be provided with HACMP.
- D、 Shared service IP address assigned to multiple network interface cards on each node.
正确答案:C
第14题：

A customer with two x445 servers wants to have two NetXtreme Dual Port Gigabit Ethernet adapters installed in each server. What is the minimally supported configuration that will allow maximum throughput？（）
- A、Install the two cards in slots 5 and 6 in the x445.
- B、Install the two cards in slots 3 and 5 in the x445 make sure slots 4 and 6 are not occupied.
- C、Install an RXE-100 on each x445 and install one card in the x445 and one card in an RXE-100 on each system.
- D、Connect an RXE-100 between the two x445s and install one card in each x445 and one card in each side of the RXE-100.
正确答案:A
第15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？（）
- A、Two 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 needed
- B、Two 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 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
正确答案:B
第16题：

A server is configured with two network cards. To utilize the band width of both network cards at the same time without assigning more than one IP address，which of the following load balancing techniques should be used？（）
- A、 Clustering
- B、 NIC teaming
- C、 OSPF
- D、 VLAN tagging
正确答案:B
第17题：

Which of the following x366 8GB memory configurations will produce the best performance？（）
- A、One memory card with four 2GB DIMMs
- B、Two memory cards with four 2GB DIMMs
- C、Two memory cards with eight 1GB DIMMs
- D、Four memory cards with eight 1GB DIMMs
正确答案:D
第18题：

单选题
A company wants to buy memory efficiently on their p5 590 to allow for the best performance. What is the best practice for adding memory for performance?（）
A
Install more cards of smaller capacity and same size across MCMs. Use DDR2(dual data rate) memory if using HPC (High Performance Computing).
B
Install fewer cards of larger capacity of the same size across MCMs. Servers with one processor book must have a minimum of four memory cards installed.
C
Intermix DDR1 and DDR2 memory so that partitions requiring the higher performance can take advantage of them. Half of the available memory slots in the system should contain memory.
D
Use fewer higher density memory cards so that a few memory slots are left open for future growth. Each processor book provides sixteen memory card slots. The p5 590 supports a maximum of 64 memory cards.

正确答案： B
解析：暂无解析
第19题：

填空题
What do you do in the first part of the conversation?We ____ and tell each other our names or exchange name cards.

正确答案： greet each other
解析：
提示信息中所缺内容为动词。根据常识也可判断朋友相见首先应先打招呼，其次才是自我介绍。
第20题：

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？（）
A
Two 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 needed
B
Two 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 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

正确答案： C
解析：暂无解析
第21题：

单选题
A server is configured with two network cards. To utilize the bandwidth of both network cards at the same time without assigning more than one IP address, which of the following load balancing techniques should be used?（）
A
Clustering
B
NIC teaming
C
OSPF
D
VLAN tagging

正确答案： A
解析：暂无解析
第22题：

单选题
A customer is considering multiple options for a particular set of workloads on AIX v5.2. They need to run ten identical LPARS， each containing four fibre cards， two 2-port Ethernet cards， and one SCSI card as well as two internal boot disks. They want the LPARS to be split across two physical systems for redundancy purposes； cost is an issue. They need a total of approximately 40 rPerf for all ten workloads. Which of the following solutions best fits these needs？（）
A
2 x p655 1.7ghz 8-way servers （21.87 rPerf each）
B
2 x p670 1.5ghz 8-way servers （24.18 rPerf each）
C
2 x p690 1.7ghz 8-way servers （27.11 rPerf each）
D
2 x p650 1.45ghz 8-way servers （18.67 rPerf each）

正确答案： D
解析：暂无解析
第23题：

单选题
A customer would like to buy a new Power 750 and attach 2 PCIe I/O drawers. What is the minimum configuration which will support this？（）
A
One processor card and one GX+ expansion card
B
Two processor cards and one GX++ expansion card
C
One processor card， one GX+ expansion card， and one GX++ expansion card
D
Two processor cards， one GX+ expansion card， and one GX++ expansion card

正确答案： B
解析：暂无解析

单选题Each of seven identical cards is numbered on one of its sides with a different integer from 1 to 7. The cards are turned over and then shuffled so that they are not in a predictable order. If two cards are selected at random without replacement, what i

题目

相似考题

更多“单选题Each of seven identical cards is numbered on one of its sides with a different integer from 1 to 7. The cards are turned over and then shuffled so that they are not in a predictable order. If two cards are selected at random without replacement, what i”相关问题

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