A.P
B.CE
C.PE
D.SP
第1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2题:
A.错误
B.正确
第3题:
A.公网路由
B.私网路由
C.公网标签
D.私网标签
第4题:
ThenetworksetupforthistroubleticketisshowninFigure3.
TroubleTicketStatement
DSW1andR4cannotpingR2’sloopbackorR2’ss0/0/0/0.12IPv6address.InitialtroubleshootingshowsandR2isnotanOSPFv3neighboronR3.
ConfigurationonR2
ipv6unicast-routing!
ipv6routerospf6
router-id2.2.2.2!
interfaces0/0/0/0.23
ipv6address2026::1:1/122
ConfigurationR3
ipv6unicast-routing!
ipv6routerospf6
router-id3.3.3.3!
interfaces0/0/0/0.23
ipv6address2026::1:2/122
ipv6ospf6area0
Figure3
OnWhichdeviceisthefaultconditionlocated?()
第5题:
A.错误
B.正确
第6题:
【单选题】IP RAN采用的协议()
A.MPLS
B.MPLS-TP
C.LDP
D.OSPF与BGP