网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
多选题
Which four of these are MPLS label header fields？ （）
A
Label
B
VPI VCI
C
EXP
D
TTL
E
FCS
F
S flag
参考答案
参考解析
解析：
暂无解析
更多 “多选题Which four of these are MPLS label header fields？ （）ALabelBVPI VCICEXPDTTLEFCSFS flag” 相关考题
考题
An ERX Edge Router is operating in an MPLS network using interface label space.What is used to make a forwarding decision?()
A. EXP bitsB. VPI / VCIC. shim headerD. SNAP header
考题
Which two are valid fields in an IPv6 header?()
A. Hop LimitB. Next HeaderC. Fragment OffsetD. Header Checksum
考题
What are the four fields in an MPLS label？（）A、versionB、experimentalC、labelD、protocolE、TTLF、bottom-of-stack indicato
考题
In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）A、It adds the VPN label into the top label in the MPLS label stackB、It replaces the top label in the MPLS label stack with a VPN label and propagatesC、It replaces the bottom label in the MPLS label stack with a VPN label and propagatesD、It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packetsE、None of above
考题
Which fields are included in the TCP header?（）A、Source PortB、Acknowledgement NumberC、Request NumberD、Destination AddressE、WindowF、Data
考题
What is the action of "pop" in the context of MPLS switching？（）A、It removes the top label in the MPLS label stack.B、It adds a top label in MPLS label stack.C、It replaces the top label in the MPLS label stack with another value.D、It replaces the top label in the MPLS label stack with a set of labels.E、None of above.
考题
Which two are valid fields in an IPv6 header?（）A、Hop LimitB、Next HeaderC、Fragment OffsetD、Header Checksum
考题
Which statement correctly describes the disabling of IP TTL propagation in an MPLS network？（）A、The TTL field from the IP packet is copied into the TTL field of the MPLS label header at the ingress edge LSRB、TTL propagation cannot be disabled in an MPLS domainC、TTL propagation is only disabled on the ingress edge LSRD、The TTL field of the MPLS label header is set to 255E、The TTL field of the IP packet is set to 0
考题
Which four services use the inner labels of an MPLS label stack？ （）A、MPLS VPNB、switching path in MPLS coreC、Cisco MPLS Traffic Engineering and Fast RerouteD、MPLS over ATME、VPN over Traffic Engineering coreF、any transport over MPLS
考题
Where is the MPLS label imposed？（）A、after the Layer 3 header and before the Layer 2 payloadB、after the Layer 3 header and before the Layer 4 payloadC、after the Layer 2 header and before the Layer 1 payloadD、after the Layer 1 header and before the Layer 2 payloadE、after the Layer 2 header and before the Layer 3 payload
考题
In Any Transport over MPLS （AtoM） Control word is an optional 4-byte field used in the pseudowire packet.The control word carries generic and Layer 2 payload-specific information to emulate L2 packets correctly.In pseudowire packet， where is this Control Word inserted？（）A、Inserted between the MPLS label stack and the Layer 3 payloadB、Inserted between the MPLS label stack and the Layer 3 HeaderC、Inserted between the MPLS label stack and the Layer 2 payloadD、Inserted between the MPLS label stack and the Layer 2 header
考题
Which of the following is true about the MPLS header and its EXP field size？（）A、The MPLS header is 2 bytes，and the EXP field is 3 bits long.B、The MPLS header is 1 byte，and the EXP field is 3 bits long.C、The MPLS header is 4 bytes，and the EXP field is 3 bits long.D、The MPLS header is 3 bytes，and the EXP field is 3 bits long.
考题
MPLS label mapping on an LSR is displayed by which IOS command？（）A、Show mpls Idp neighbor detailB、Show mpls Idp bindingsC、Show mpls Idp parametersD、Show mpls Idp discovery
考题
单选题Which statement correctly describes the disabling of IP TTL propagation in an MPLS network？（）A
The TTL field from the IP packet is copied into the TTL field of the MPLS label header at the ingress edge LSRB
TTL propagation cannot be disabled in an MPLS domainC
TTL propagation is only disabled on the ingress edge LSRD
The TTL field of the MPLS label header is set to 255E
The TTL field of the IP packet is set to 0
考题
多选题Which fields are included in the TCP header?（）ASource PortBAcknowledgement NumberCRequest NumberDDestination AddressEWindowFData
考题
单选题Which of the following is true about the MPLS header and its EXP field size？（）A
The MPLS header is 2 bytes，and the EXP field is 3 bits long.B
The MPLS header is 1 byte，and the EXP field is 3 bits long.C
The MPLS header is 4 bytes，and the EXP field is 3 bits long.D
The MPLS header is 3 bytes，and the EXP field is 3 bits long.
考题
多选题Which four services use the inner labels of an MPLS label stack？ （）AMPLS VPNBswitching path in MPLS coreCCisco MPLS Traffic Engineering and Fast RerouteDMPLS over ATMEVPN over Traffic Engineering coreFany transport over MPLS
考题
多选题What are the four fields in an MPLS label？（）AversionBexperimentalClabelDprotocolETTLFbottom-of-stack indicato
考题
单选题You use Microsoft .NET Framework 4 to create a Windows Presentation Framework (WPF) application. You plan to create a custom control that contains four text input fields. Each of the text input fields within the control will contain a label. You need to ensure that the text input fields within the control can be validated by using a regular expression validator. Which class should you inherit from?（）A
TextBoxB
TextElementC
UIElementD
UserControl
考题
单选题In a frame ，the MPLS label is imposed（）.A
After the Layer3 header and before Layer2 headerB
After the Layer2 header and before Layer3 headerC
Within the Layer 3 headerD
Before the layer 2 header
考题
单选题Where is the MPLS label imposed？（）A
after the Layer 3 header and before the Layer 2 payloadB
after the Layer 3 header and before the Layer 4 payloadC
after the Layer 2 header and before the Layer 1 payloadD
after the Layer 1 header and before the Layer 2 payloadE
after the Layer 2 header and before the Layer 3 payload
考题
单选题An ERX Edge Router is operating in an MPLS network using interface label space.What is used to make a forwarding decision?（）A
EXP bitsB
VPI / VCIC
shim headerD
SNAP header
考题
单选题In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）A
It adds the VPN label into the top label in the MPLS label stackB
It replaces the top label in the MPLS label stack with a VPN label and propagatesC
It replaces the bottom label in the MPLS label stack with a VPN label and propagatesD
It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packetsE
None of above
考题
多选题Which two are valid fields in an IPv6 header?（）AHop LimitBNext HeaderCFragment OffsetDHeader Checksum
热门标签
最新试卷