Which statement is true about a worm attack？（）A、Human interaction is required to facilitate the spread.B、The worm executes arbitrary code and installs copies of itself in the memory of the infected computer.C、Extremely large volumes of requests are sent over a network or over the Internet.D、Data or commands are injected into an existing stream of data. That stream is passed between a client and server application.
Which statement is true about a worm attack？（）
- A、Human interaction is required to facilitate the spread.
- B、The worm executes arbitrary code and installs copies of itself in the memory of the infected computer.
- C、Extremely large volumes of requests are sent over a network or over the Internet.
- D、Data or commands are injected into an existing stream of data. That stream is passed between a client and server application.
相关考题：
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Which two statements are true about setting the per-thread buffers higher than required?（）A、More memory per thread is beneficial in all scenariosB、It causes increased overhead due to initial memory allocationC、It can affect system stability during peak load times, due to swappingD、It requires increasing the thread_cache_size variable
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单选题According to the passage, which of the following statements is true?AIn India, the infection rate almost reaches 12 percent of its population.BIn China, about 50,000 people are infected with HIV.CAIDS epidemic had caused 15,000,000 deaths in the whole world by January 2,000.DIn the United States, HIV infection will go on to attack about 5% of the whole population.
多选题Given the following code fragment： public void create（） { Vector myVect； myVect = new Vector（）； } Which of the following statements are true？（）AThe declaration on line 2 does not allocate memory space for the variable myVect.BThe declaration on line 2 allocates memory space for a reference to a Vector object.CThe statement on line 2 creates an object of class Vector.DThe statement on line 3 creates an object of class Vector.EThe statement on line 3 allocates memory space for an object of class Vector.
多选题Which two statements are true about setting the per-thread buffers higher than required?（）AMore memory per thread is beneficial in all scenariosBIt causes increased overhead due to initial memory allocationCIt can affect system stability during peak load times, due to swappingDIt requires increasing the thread_cache_size variable
多选题What are two steps that must be taken when mitigating a worm attack？（）AInoculate systems by applying update patches.BLimit traffic rate.CApply authentication.DQuarantine infected machines.EEnable anti-spoof measures.
单选题Which statement is true about a worm attack？（）AHuman interaction is required to facilitate the spread.BThe worm executes arbitrary code and installs copies of itself in the memory of the infected computer.CExtremely large volumes of requests are sent over a network or over the Internet.DData or commands are injected into an existing stream of data. That stream is passed between a client and server application.
单选题Which statement is true about a Smurf attack？（）AIt sends ping requests in segments of an invalid sizeBIt intercepts the third step in a TCP three-way handshake to hijack a sessionCIt sends ping requests to a subnet， requesting that devices on that subnet send ping replies to a targetsystemDIt uses Trojan horse applications to create a distributed collection of zombie computers， which can beused to launch a coordinated DDoS attack
单选题Which of the following statements is NOT true about mass communication?AIt can reach no further than human voice.BIt can reach a large audience.CIt is rapid and efficient.DIt can be trusted.
多选题Which three are true about the large pool for an Oracle database instance that supports shared serverconnections?（）AAllocates memory for RMAN backup and restore operationsBAllocates memory for shared and private SQL areasCContains a cursor area for storing runtime information about cursorsDContains stack spaceEContains a hash area performing hash joins of tables