第1题:
A.It shows the total size of the index row
B.It shows how many columns in the index are examined
C.It shows the number of characters indexed in the key
D.It shows how many bytes will be used from each index row
第2题:
A.MTU and speed must be configured under each unit.
B.Physical parameters such as MTU, duplex mode, and speed are configured under the interface name.
C.IP and IPv6 addresses are configured under a unit-number.
D.DLCI numbers, VPI/VCI values, and VLAN tags are physical parameters.
第3题:
An instruction is made up of operations that (1) the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform. the operation of (2) two numbers,it must know (3) the two numbers are. The processor's job is to.(4) instructions and operands from memory and to perform. each operation. Having done that, it signals memory to send it (5) instruction.
A.skip
B.smile
C.smoke
D.specify
第4题:
A. bandwidth
B. number of plug-ins per scan
C. total number of network devices
D. number of checks in each posture assessment
第5题:
We know a computer is a machine that processes data(stored in main memory)into information, under control of a stored program. We also know that, internally, a computer is a binary machine; thus the data and the program instruictions must be stored in binary form. Characters are represented in(71). Numbers are stored as binary numbers, with each bit's positional value significant. A computer's main memory is divided into bytes, words or both(depending on the system), and each of these basic storage units is assigned an(72). Using this address, the processor can read or write selected bytes or words.
The processor consists of a clock, an instruction control unit, an arithmetic and logic unit, and registers. Once a program is stored in main memory, the processor can begin to execute it. During(73), the instruction control unit fetches an instruction from main memory; during(74), the arithmetic and logic unit executes it. Precisely timed electronic pulses generated by the clock drive this basic(75)
A.a binary code
B.words
C.registers
D.positional values
第6题:
A. The receiver acknowledges the final packet in each communications stream.
B. The receiver adds sequencing numbers to the packets received.
C. The sender adds sequencing numbers to the packets it sends.
D. The receiver acknowledges each packet it receives from the sending device.
第7题:
A. Review the architectural plans to see how many drops go to each closet.
B. Count the number of rooms near each closet and standardize eight drops per room.
C. Wireless is the new standard and no network switches will be needed in the building,
D. Count the number of phone ports and configure two network ports for each phone port.
第8题:
You added a PHONE_NUMBER column of NUMBER data type to an existing EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees. Now, you want to enter the phone numbers of each of the 100 employees into the table. Some of the employees may not have a phone number available. Which data manipulation operation do you perform? ()
A. MERGE
B. INSERT
C. UPDATE
D. ADD
E. ENTER
F. You cannot enter the phone numbers for the existing employee records.
第9题:
An instruction is made up of operations that(68)the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform. the operation of(69)two numbers, it must know(70)the two numbers are. The processor's job is to(71)instructions and operands from memory and to perform. each operation. Having done that, it signals memory to send it(72)instruction.
A.smile
B.skip
C.smoke
D.specify
第10题:
You are the Cisco Network Designer in Cisco.com. Which of these are important when determining how many users a NAS can support?()