A. It can drop the connection at the IP address level
B. It can block the e-mail based upon the sender ID
C. It can allow the e-mail and bypass all UTM inspection
D. It can allow the e-mail to be forwarded, but change the intended recipient to a new e-mail address
E. It can allow the e-mail to be forwarded to the destination, but tag it with a custom value in the subject line
第1题:
以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2: system.out.print("two."): Case 2+1: System.out.println("three."); break: default: System.out.println (“value is”+j): Break }A.B.two
A.two.three.
B.two
C.three
D.value is 2
第2题:
A.Srx,n>THx,high
B.Rn>Rs
C.Srx,s<THserving,low
D.Srx,s<THserving,high
E.Srx,s<THserving,high
第3题:
TD-LTE系统小区选择算法是()
A.Srx,s>0
B.Rn>Rs
C.Srx,s<THserving,low
D.Srx,s>THserving,high
第4题:
Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an(66)from a friend who asks you to open it. This is what happens with Melissa and several other similar email(67).Upon running, such worms usually proceed to send themselves out to email addresses from the victim' s address book ,previous emails, web pages(68).
As administrators seek to block dangerous email attachments through the recognition of well- known (69), virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to . bat and . cnd plus a whole list of other extensions and will still run and successfully infect target users. Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the(70)access to your network.
A.attachment
B.paeket
C.datagram
D.message
第5题:
12、以下程序执行后的结果是: spam = 4 if spam < 5: spam += 1 print(spam)
第6题:
14、以下程序执行后的结果是: spam = [1, 2, 3, 4] spam.append(5) spam