Computers and Technology, 05.01.2022 16:40, gigipalacio32
Consider the following method substringFound, which is intended to return true if a substring, key, is located at a specific index of the string phrase. Otherwise, it should return false.
public boolean substringFound(String phrase, String key, int index)
{
String part = phrase. substring(index, index + key. length());
return part. equals(key);
}
Which of the following is the best precondition for index so that the method will return the appropriate result in all cases and a runtime error can be avoided?
A. 0 <= index < phrase. length()
B. 0 <= index < key. length()
C. 0 <= index < phrase. length() + key. length()
D. 0 <= index < phrase. length() - key. length()
E. 0 <= index < phrase. length() - index
Answers: 2
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Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?
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Computers and Technology, 22.06.2019 12:20, crodriguez87
Usually, when we sniff packets, we are only interested certain types of packets. we can do that by setting filters in sniffing. scapy’s filter use the bpf (berkeley packet filter) syntax; you can find the bpf manual from the internet. set the following filters and demonstrate your sniffer program again (each filter should be set separately): (a) capture only the icmp packet. (b) capture any tcp packet that comes from a particular ip and with a destination port number 23. (c) capture packets comes from or to go to a particular subnet. you can pick any subnet, such as 128.230.0.0/16; you should not pick the subnet that your vm is attached to.
Answers: 3
Computers and Technology, 25.06.2019 09:30, milagritomiracle
Collaborative devices are applications that allow the users to work together even when they are in different locations true or false
Answers: 1
Consider the following method substringFound, which is intended to return true if a substring, key,...
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