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網(wǎng)絡(luò)工程師每日一練試題內(nèi)容(2021/12/6)
試題1: 以下哪一個不是無線局域網(wǎng)IEEE802.11規(guī)定的物理層傳輸方式( ) 計算機在進行浮點數(shù)的相加(減)運算之前先進行對階操作,若x的階碼大于y的階碼,則應(yīng)將 ( ) 。
A、x的階碼縮小至與y的階碼相同,且使x的尾數(shù)部分進行算術(shù)左移。
B、x的階碼縮小至與y的階碼相同,且使x的尾數(shù)部分進行算術(shù)右移。
C、y的階碼擴大至與x的階碼相同,且使y的尾數(shù)部分進行算術(shù)左移。
D、y的階碼擴大至與x的階碼相同,且使y的尾數(shù)部分進行算術(shù)右移。
下面的描述中, ( ) 不是RISC設(shè)計應(yīng)遵循的設(shè)計原則。
A、指令條數(shù)應(yīng)少一些
B、尋址方式盡可能少
C、采用變長指令,功能復(fù)雜的指令長度長而簡單指令長度短
D、設(shè)計盡可能多的通用寄存器
Certificates are (1) documents attesting to the (2) of a public key to an individual or other entity. They allow verification of the claim that a given public key does in fact belong to a given individual. Certificates help prevent someone from using a phony key to (3) someone else. In their simplest form, Certificates contain a public key and a name. As commonly used, a certificate also contains an (4) date, the name of the CA that issued the Certificate, a serial number, and perhaps other information. Most importantly, it contains the digital (5) of the certificate issuer. The most widely accepted format for certificates is X.509 , thus, Certificates can be read or written by any application complying with X.509.
(1)A、text
B、data
C、digital
D、structured
(2)A、connecting
B、binding
C、composing
D、conducting
(3)A、impersonate
B、personate
C、damage
D、control
(4)A、communication
B、computation
C、expectation
D、expiration
(5)A、signature
B、mark
C、stamp
D、hypertext
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