名词解释题Hash
名词解释题
Hash
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Questions 59-60 are based on the following informationA hash table With hash functionH1(k)=k mod 13Is shown below．Collision is resolved using the hash function H2(k)=(k mod 11)+1How many key comparisons occur in searching for key 35 in the given hash table?A．0B．1C．2D．3
常见的文件组织结构有( )。A．顺序结构、链接结构、索引结构、Hash结构、索引顺序结构B．链接结构、索引结构、Hash结构、索引顺序结构C．顺序结构、链接结构、索引结构、Hash结构D．顺序结构、链接结构、索引结构、索引顺序结构
通过hash掩码方式实现RP的负载分担,以下描述正确的有()。 A.不同路由器上hash掩码可以不同。B.hash掩码由各路由器自己设置。C.hash掩码由BSR生成。D.hash掩码方式下，RP的选择与C-RP优先级无关。
Which two practices will avoid Cisco Express Forwarding polarization?() A. The core layer should use default Layer 3 hash information.B. The core layer should use default Layer 4 hash information.C. The distribution layer should use default Layer 3 hash information.D. The distribution layer should use default Layer 4 hash information.E. The core layer should use Layer 3 and Layer 4 information as input to the Cisco Expressing Forwarding hashing algorithm.F. The distribution layer should use Layer 3 and Layer 4 information as input into the Cisco Expressing Forwarding hashing algorithm.
Hash表是用于数据存储的一种有效的数据结构，Hash表的查找复杂度依赖于Hash值算法的有效性，在最好的情况下，Hash表的查找复杂度为()。A.O(nlogn)B.O(logn)C.O(n)D.O(1)
通过hash 掩码方式实现RP 的负载分担，以下描述正确的有（） A、 不同路由器上hash 掩码可以不同。B、 hash 掩码由各路由器自己设置。C、 hash 掩码由BSR 生成。D、 hash 掩码方式下，RP 的选择与C-RP 优先级无关。
Server load balancing （SLB） is the process of deciding to which server a load-balancing device should send a client request for service. Which predictors are supported on ACE in order to select the best server to fulfill a client request？ （）A、 Hash address： Selects the server by using a hash value based on either the source or destination IP address， or bothB、 Hash URL： Selects the server by using a hash value based on the requested URLC、 Hash MAC.Selects the server by using a hash value based on either the source or destination MAC address， or bothD、 Hash header： Selects the server by using a hash value based on the HTTP header nameE、 Hash IP： Selects the server using a hash value based on the IP address
多选题Server load balancing （SLB） is the process of deciding to which server a load-balancing device should send a client request for service. Which predictors are supported on ACE in order to select the best server to fulfill a client request？ （）AHash address： Selects the server by using a hash value based on either the source or destination IP address， or bothBHash URL： Selects the server by using a hash value based on the requested URLCHash MAC.Selects the server by using a hash value based on either the source or destination MAC address， or bothDHash header： Selects the server by using a hash value based on the HTTP header nameEHash IP： Selects the server using a hash value based on the IP address
单选题Which data organization schemes are supported?（）APARTITION BY HASH and ORGANIZE BY BPARTITION BY RANGE and ORGANIZE BY KEY SEQUENCE CPARTITION BY HASH and ORGANIZE BY KEY SEQUENCE DPARTITION BY RANGE and ORGANIZE BY
单选题Cisco Express Forwarding (CEF) is mainly used to increase packet switching speed, reducing the overhead and delays introduced by other routing techniques, increasing overall performance.Which of the following concerning CEF is recommended by Cisco?（）AUse default Layer 4 hash in core.BUse default Layer 3 hash in distribution.CUse default Layer 4 hash in distribution.DUse default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.
单选题Cisco Express Forwarding （CEF） is mainly used to increase packet switching speed， reducing theoverhead and delays introduced by other routing techniques， increasing overall performance.Which of the following concerning CEF is recommended by Cisco？（）A Use default Layer 4 hash in core.B Use default Layer 3 hash in distribution.C Use default Layer 4 hash in distribution.D Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.