SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an int

题目

SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an interface Which two statements about SCSI are true?()

A. The bus is limited to 64 devices.

B. It is a full-duplex serial standard.

C. It is a half-duplex serial standard.

D. It allows up to 320 MB/s of shared channel bandwidth.


相似考题
更多“SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) ”相关问题
  • 第1题:

    Which three statements about HSRP operation are true?()

    • A、The virtual IP address and virtual MA+K44C address are active on the HSRP Master router.
    • B、The HSRP default timers are a 3 second hello interval and a 10 second dead interval.
    • C、HSRP supports only clear-text authentication.
    • D、The HSRP virtual IP address must be on a different subnet than the routers' interfaces on the same LAN.
    • E、The HSRP virtual IP address must be the same as one of the router's interface addresses on the LAN.
    • F、HSRP supports up to 255 groups per interface, enabling an administrative form of load balancing.

    正确答案:A,B,F

  • 第2题:

    SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an interface Which two statements about SCSI are true?()

    • A、The bus is limited to 64 devices.
    • B、It is a full-duplex serial standard.
    • C、It is a half-duplex serial standard.
    • D、It allows up to 320 MB/s of shared channel bandwidth.

    正确答案:C,D

  • 第3题:

    传送速度单位“bps”的含义是()。

    • A、bytes per second
    • B、bits per second
    • C、baud per second
    • D、billion bytes per second

    正确答案:B

  • 第4题:

    Which three can be symptoms of the growth phase in the Cisco SBR methodology?()

    • A、Facilitate Employee Reachability
    • B、Unable to provide rapid secure access to customer history, data or buying behavior
    • C、Need to provide XYZ LTD with a basic up-to-date website
    • D、Provide rapid access for geographically dispersed employees
    • E、Need to facilitate customer reachability
    • F、Provide a Website on par with competitors

    正确答案:A,D,F

  • 第5题:

    Which two QoS statements are true about the use of the SDMQoS wizard?()

    • A、business-critical traffic includes VoIP and voice signaling packets
    • B、SDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces andIPsec tunnels
    • C、SDM can provide QoS for real-time traffic and business-critical traffic
    • D、SDM creates a custom-queuing (CQ) or a priority-queuing (PQ) policy
    • E、SDM creates a low latency queuing (LLQ) service policy with its associated classes
    • F、when allocating bandwidth, values can be entered in either bandwidth percentage or kilobytes per second (kBps)

    正确答案:C,E

  • 第6题:

    What are the two parallel SCSI specifications?()

    • A、 Up to 25 m bus length
    • B、 Only one device per SCSI bus
    • C、 Up to 16 devices per SCSI bus
    • D、 Half-duplex operation
    • E、 Full-duplex operation

    正确答案:A,C

  • 第7题:

    Which of the following is an advantage of a 100Base-T network card versus an 802.11g wireless network card?()

    • A、Flexibility in relocating the computer
    • B、Ability to provide secure data communications
    • C、Faster data speed
    • D、Ability to setup P2P networking

    正确答案:C

  • 第8题:

    The statistics for a poorly performing, dual-processor x365 system are as follows:     (1)Processor: 80% for 5-second increments   (2)Memory page faults: 360/second average over 15 minutes       (3)Disk % disk time: 100%   Which of the following will provide the greatest performance improvement?()

    • A、Add memory
    • B、Add a processor
    • C、Exchange the existing processor for a faster processor
    • D、Add a faster disk subsystem

    正确答案:A

  • 第9题:

    单选题
    () operates at a transfer rate of up to 9600 bits per second and is telephone,telex and facsimile(fax)capable.
    A

    INMARSAT A

    B

    INMARSAT C

    C

    SafetyNET

    D

    NAVTEX


    正确答案: B
    解析: 暂无解析

  • 第10题:

    多选题
    What are the two parallel SCSI specifications?()
    A

    Up to 25 m bus length

    B

    Only one device per SCSI bus

    C

    Up to 16 devices per SCSI bus

    D

    Half-duplex operation

    E

    Full-duplex operation


    正确答案: C,A
    解析: 暂无解析

  • 第11题:

    单选题
    The statistics for a poorly performing x366 system are as follows:      (1)Processor: 90% for 5 second increments   (2)Memory page faults: 20/second average over 15 minutes      (3)Disk: disk time 1%  Which of the following will provide the greatest performance improvement?()
    A

    Add memory

    B

    Add a processor

    C

    Add a faster disk subsystem

    D

    Exchange the processor with a faster processor


    正确答案: D
    解析: 暂无解析

  • 第12题:

    多选题
    Which three statements about HSRP operation are true?()
    A

    The virtual IP address and virtual MA+K44C address are active on the HSRP Master router.

    B

    The HSRP default timers are a 3 second hello interval and a 10 second dead interval.

    C

    HSRP supports only clear-text authentication.

    D

    The HSRP virtual IP address must be on a different subnet than the routers' interfaces on the same LAN.

    E

    The HSRP virtual IP address must be the same as one of the router's interface addresses on the LAN.

    F

    HSRP supports up to 255 groups per interface, enabling an administrative form of load balancing.


    正确答案: D,A
    解析: 暂无解析

  • 第13题:

    On Cisco Nexus 5000 Series Switches, where are the virtual output queues implemented, and what is the main purpose of virtual output queues?()

    • A、 on all ingress interfaces; to ensure maximum throughput on a per-egress, per-CoS basis
    • B、 on all ingress interfaces; to provide independent congestion management and 16 queues
    • C、 on all egress interfaces; so that a congested egress port does not affect traffic directed to other egress ports
    • D、 on all egress interfaces; to prevent head-of-line blocking by utilizing multiple virtual output queues
    • E、 on all egress interfaces; to be able to use EEE 802.1p CoS

    正确答案:A

  • 第14题:

    TPS(Transaction Per Second)


    正确答案:每秒钟系统能够处理的交易或事务的数量。它是衡量系统处理能力的重要指标。TPS是LoadRunner中重要的性能参数指标。

  • 第15题:

    传送速率单位“bps”代表()

    • A、Bytes Per Second
    • B、Bits Per Second
    • C、Baud Per Second
    • D、Billion Per Second

    正确答案:B

  • 第16题:

    Which of the following events can NOT be tuned via router configuration to provide for faster convergencefollowing a link failure?()

    • A、Failure detection
    • B、Failure reporting
    • C、IGP LSP/LSA originatio
    • D、Per-hop flooding time of new link state
    • E、Number of hops that need to be notified of new link state

    正确答案:E

  • 第17题:

    You have just reinstalled a VIP 6-80 in a Cisco 7500 Series router. What must you do to bring up the port adapter interfaces?()

    • A、All interfaces are online by default once the VIP is up and running normally.
    • B、All interfaces must be manually brought online, even those previously configured.
    • C、The previous VIP configuration must be reloaded to bring interfaces online.
    • D、Any interfaces not previously configured must be manually configured and brought online.

    正确答案:D

  • 第18题:

    Which of the following technologies was designed to provide the FASTEST data rates over analog phone lines?()

    • A、RADSL
    • B、SONET
    • C、ADSL
    • D、MPLS

    正确答案:C

  • 第19题:

    An automotive supplier maintains CAD workstations in widely separated plant locations, and these locations are interconnected by single 1.5Mb/second communication lines.  A consultant has been asked to provide a solution that will allow back-ups to be centralized in one location and improve data recovery times.  Which TWO questions should the consultant ask first to determine the best solution?()

    • A、In what format are the CAD documents?
    • B、How much data needs to be backed up from each remote site?
    • C、What are the current acceptable windows for back up and restore?
    • D、Are the plants within line-of-sight to enable wireless communication?
    • E、Can the communication lines cost-effectively be upgraded to a higher level of service?

    正确答案:B,C

  • 第20题:

    A customer with three Windows servers wants to create a shared storage array. One server runs a200 GB Oracle database with high transaction rates. The second server is a file server with 3 TBof data and the third server is a mail server with 150 GB of storage. The key customer decisionmaker has only purchased EMC CX storage products in his previous employment. Cost is a keyconsideration. From the following which is a key feature that could convince the customer topurchase a DS3500 over an EMC CX storage system?()

    • A、 SATA and SAS 2.0 disk drive technology can be mixed in different enclosures 
    • B、 nearline SAS 2.0 and SAS 2.0 disk drive technology can be mixed in the same enclosure
    • C、 SATA disk drive technology can provide both the high transaction rates and large drive sizesneeded for this solution 
    • D、 SAS 2.0 disk drive technology can provide both the high transaction rates and large drive sizesneeded for this solution

    正确答案:B

  • 第21题:

    填空题
    On Mindy's guitar, the frequency of a vibrating string varies inversely as the length of the string. When a guitar string of s inches in length that vibrates at a frequency of 80 cycles per second is shortened to 6 inches in length, it vibrates at a frequency of 120 cycles per second. What is the value of s?____

    正确答案: 9
    解析:
    根据题干可列出等式alb1=a2b2,(s)(80)=(6)(120),s=9。

  • 第22题:

    单选题
    The unit "hertz" is equivalent to ()
    A

    coulombs per second

    B

    revolutions per second

    C

    revolutions per minute

    D

    cycles per second


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    On Cisco Nexus 5000 Series Switches, where are the virtual output queues implemented, and what is the main purpose of virtual output queues?()
    A

     on all ingress interfaces; to ensure maximum throughput on a per-egress, per-CoS basis

    B

     on all ingress interfaces; to provide independent congestion management and 16 queues

    C

     on all egress interfaces; so that a congested egress port does not affect traffic directed to other egress ports

    D

     on all egress interfaces; to prevent head-of-line blocking by utilizing multiple virtual output queues

    E

     on all egress interfaces; to be able to use EEE 802.1p CoS


    正确答案: A
    解析: 暂无解析

  • 第24题:

    多选题
    SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an interface Which two statements about SCSI are true?()
    A

    The bus is limited to 64 devices.

    B

    It is a full-duplex serial standard.

    C

    It is a half-duplex serial standard.

    D

    It allows up to 320 MB/s of shared channel bandwidth.


    正确答案: B,C
    解析: 暂无解析