it is a layer 2 messaging protocol which maintains vlan configurations across network.
it includes an 8-bit field which specifies the priority of a frame.
it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
it is a trunking protocol capable of carring untagged frames.
第1题:
A.Itsendsdataincleartextformat.
B.ItisnolongersupportedonCisconetworkdevices.
C.ItismoresecurethanSSH
D.Itrequiresanenterpriselicenseinordertobeimplemented.
E.ItrequiresthatthedestinationdevicebeconfiguredtosupportTelnetconnections.
第2题:
What are two characteristics of Telnet (Choose two.)()。
第3题:
A. label stacking
B. auto-provisioning
C. circuit status vector
D. Martini Encapsulation
E. LDP-based control plane
第4题:
Which two characteristics are true of IVRs? ()
第5题:
Which two of the following are designated fields for MAC tunneling protocol(802.1 ah)?()
第6题:
What are two characteristics of the SDM Security Audit wizard?()
第7题:
Which two of these are characteristics of an IPS device?()
第8题:
A. passively listens to network traffic
B. is an active device in the traffic path
C. has a permissive interface that is used to monitor networks
D. traffic arrives on one IPS interface and exits on another
第9题:
Which two characteristics describe the UDP protocol?()
第10题:
What are two ways with which a small business can keep a wireless business separate and secure from a wireless guest access network? ()