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提问人:网友cntrump 发布时间:2022-01-07
[主观题]

从供选择的答案中,选出最确切的解答。

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.

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更多“从供选择的答案中,选出最确切的解答。”相关的问题
第1题
从供选择的答案中,选出最确切的解答。

The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of(1)and scenarios have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions-time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive(2)which is concluded with a well-defined(3)and can be further broken down into(4)-a complete development loop resulting in a release of an executable product,a subset of the final product under development, which grows mcrementally to become the final system. The content structure refers to the disciplines, which group(5)logically by nature.

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第2题
从供选择的答案中,选出最确切的解答。

SOCKS is a generic proxy protocol for ICP/IP-based networking, applications. SOCKS includes two(1), the SOCKS server and the SOCKS client. The SOCKS server is implemented at the application layer. The SOCKS client is implemented between applications and the(2)layer. When an application client needs to connect to an application server, the client connects to a SOCKS proxy server. The proxy server connects to the application server instead of the client, and(3)data between the client and the application server. For the application server, the proxy server is the(4). SOCKS is also one of the popular(5)to network firewalls. Because of its simplicity and flexibility, SOCKS has been used as generic application proxy in virtual private network (VPN), and for extranet applications.

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第3题
从供选择的答案中,选出最确切的解答。

MIDI enables people to use(1)computers and electronic musical instruments. There are actually three components to MIDI, the communications"(2)",the Hardware Interface and a distribution(3)called "Standard MIDI Files".In the context of the WWW, the most interesting component is the(4)Format. In principle,MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol(5)are stored in MIDI fles, the events are also time-stamped for playback in the proper sequence. Music delivered by MIDI files is the most common use of MIDI today.

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第4题
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(1)analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the' system models become the(2)for designing and constructing an improved system.(3)is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series ofprocess models called(4).(5)is another such technique that integrates data and process concerns into constructs called objects.

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第5题
从供选择的答案中,选出最确切的解答。

Networks can be interconnected by different devices. In the physical layer, networks can be connected by(1)or hubs, which just move the bits from one network to an identical network. One layer up we fine bridges and switches, which operate at data link layer. They can accept(2),examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process. In the network layer, we have routers that can connect two networks. If two networks have(3)network layer, the router may be able to translate between the packer formats. In the transport layer we find transport gateway, which can interface between two transport connections. Finally, in the application layer, application gateways translate message(4). As an example, gateways between Intemet E-mail and X.400 E-mail must(5)the E-mail message and change various header fields.

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第6题
从供选择的答案中,选出应填入下面叙述中______内的最确切的解答。

MIMD systems can be classified into(1)oriented systems, high-availability systems and response-oriented systems. The goal of(1)oriented multiprocess is to obtain high(1)(2)minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce(3)and(4)loading ofsystem(5)

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第7题
从供选择的答案中,选出应填入下面叙述中______内的最确切的解答。

Soon, more of the information we recelve via the internet could come(1)in digital wrappers.

Wrappers are made up(2)software code that's targeted to do specific things with the data(3)within them, such as helping to define queries for search engines. They also keep(4)from(5)access to that code.

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第8题
Most Americans remember Mark Twain as the father of Huck Finn's idyllic cruise through eternal boyhood and Tom Sawyer's endless summer of freedom and adventure. (3%)
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第9题
There seems never to have been a civilization without toys, but when and how they developed is unknown. They probably came about just to five children something to do.

In the ancient world, as is today, most boys played with some kinds of toys and most girls with another. In societies where social roles are rigidly determined, boys pattern their play after the activities of their fathers and girls after the tasks of their mothers. This is true because boys and girls are being prepared, even in play, to step into the roles and responsibilities of the adult world.

What is remarkable about the history of toys is not so much how they changed over the centuries but how much they have remained the same. The changes have been mostly in terms of craftsmanship, mechanics, and technology. It is the universality of toys with regard to their development in all part of the world and their persistence to the present that is amazing. In Egypt, the Americas, China, Japan and among the Arctic peoples, generally the same kinds of toys appeared. Variations depended on local customs and ways of life because toys imitate their surroundings. Nearly every civilization had dolls, little weapons, toy soldiers, tiny animals and vehicles.

Because toys can be generally regarded as a kind of art form, they have not been subject to technological leaps that characterize inventions for adult use. The progress from the wheel to the oxcart to the automobile is a direct line of ascent. The progress from a rattle used by a baby in 3000 BC to one used by an infant today, however, is not characterized by inventiveness. Each rattle is the product of the artistic tastes of the times and subject to the limitations of available materials.

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第10题
外表柔弱,内心坚强,这就是小说女主人公的特点。
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