Using the ________ dialog box helps to quickly locate text that needs to be changed
A) Find
B) Search
C) Replace
D) Find and Replace
D
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Which of the following is not true about friend functions and friend classes?
a. A class can either grant friendship to or take friendship from another class using the friend keyword. b. A friend declaration can appear anywhere in a class definition. c. A friend of a class can access all of its private data member and member functions. d. The friendship relationship is neither symmetric nor transitive.
Consider a string topology wireless mesh network which is deployed along a highway. How- ever, due to the sparseness, end-to-end hop distance of the mesh network is high. As a result, delay incurred in the network is too high, which in turn degrades overall network perfor- mance. However, a few LLs can improve the scenario. Simulate such a situation by taking 20 mesh router nodes deployed as a string topology network. Add three deterministic LLs, which can optimize network APL (i.e., MinAPL-based LL addition strategy). Comment on the time consumed by your program to add the LLs. Now, add the same number of LLs with the SDLA algorithm and compare the APL with the MinAPL. Also comment on the time consumed to execute SDLA.
What will be an ideal response?
Sara, a user, receives a call and the caller asks if Sara would be willing to answer a few marketing questions, and in return be placed in the drawing to win a trip to Hawaii. After Sara agrees, she is transferred to an automated service which states that some personal information needs to be collected to verify her full name, birthday, address, and email to be eligible for the Hawaii trip. After providing the details Sara is then solicited for banking preferences, general purchasing preferences, and debit card details. Which of the following BEST describes this type of attack?
A. A hoax B. Pharming C. Smurfing D. Vishing
Answer the following statements true (T) or false (F)
1. Modes of operation are the alternative techniques that have been developed to increase the security of symmetric block encryption for large sequences of data. 2. The advantage of a stream cipher is that you can reuse keys. 3. A message authentication code is a small block of data generated by a secret key and appended to a message. 4. Like the MAC, a hash function also takes a secret key as input. 5. The strength of a hash function against brute-force attacks depends solely on the length of the hash code produced by the algorithm.