单选题What does the protocol field inside the PPP frame indicate？（）Athe protocol used to determine the authentication methodBthe protocol used to identify the data in the Information fieldCthe protocol used to carry the PPP frameDthe protocol used to decode the FCS fieldEthe protocol used to detect the number of padding bytes
单选题
What does the protocol field inside the PPP frame indicate？（）
A
the protocol used to determine the authentication method
B
the protocol used to identify the data in the Information field
C
the protocol used to carry the PPP frame
D
the protocol used to decode the FCS field
E
the protocol used to detect the number of padding bytes
参考解析
解析：
暂无解析
相关考题：
An authentication request for a PPP over ATM client has been returned to the router with an address of 255.255.255.254.What does this indicate to the router?() A. A static IP address is used.B. An unnumbered address is used.C. The returned RADIUS address is used.D. The IP address-pool configuration is used.
When you display the routing table by entering the show route command, what does the* indicate?() A.The route is a direct route.B.The route was selected as active.C.The route is a default route.D.The route was learned using a dynamic routing protocol.
Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuis and has built－in security mechanisms?() A. Frame RelayB. HDLCC. x.25D. PPP
When configuring a serial interface on a router, what is the default encapsulation?() A. atm-dxiB. frame-relayC. hdlcD. lapbE. ppp
What does the "Inside Global" address represent in the configuration of NAT?（）A、the summarized address for all of the internal subnetted addressesB、the MAC address of the router used by inside hosts to connect to the InternetC、a globally unique， private IP address assigned to a host on the inside networkD、a registered address that represents an inside host to an outside network
When configuring a serial interface on a router, what is the default encapsulation?（）A、atm-dxiB、frame-relayC、hdlcD、lapbE、ppp
What does FRTP stand for？（）A、Frame Relay Top PseudowireB、Frame Relay Traffic PseudowireC、Frame Relay Traffic ProtocolD、Frame Relay Traffic Policing
What does the protocol field inside the PPP frame indicate？（）A、the protocol used to determine the authentication methodB、the protocol used to identify the data in the Information fieldC、the protocol used to carry the PPP frameD、the protocol used to decode the FCS fieldE、the protocol used to detect the number of padding bytes
ISL is being configured on a Company switch. Which of the following choices are true regarding the ISL protocol？ （）A、 It can be used between Cisco and non-Cisco switch devices.B、 It calculates a new CRC field on top of the existing CRC field.C、 It adds 4 bytes of protocol-specific information to the original Ethernet frame.D、 It adds 30 bytes of protocol-specific information to the original Ethernet frame.
When you display the routing table by entering the show route command, what does the* indicate?（）A、The route is a direct route.B、The route was selected as active.C、The route is a default route.D、The route was learned using a dynamic routing protocol.
What does the LSP Holdtime field in an IS-IS database indicate?（）A、the LSP ageB、the LSP refresh intervalC、the LSP elapsed lifetimeD、the LSP remaining lifetime
Which statement about the Link Control Protocol （LCP） is true？（）A、LCP is used for basic PPP link setup and operation.B、LCP is used for PPP CHAP authentication.C、LCP is used for PPP over ATM （PPPoA） setup.D、LCP is used for PPP over Ethernet （PPPoE） setup.E、LCP is used for PPP over Frame Relay （PPPoFR） setup
Which Ethernet field is used to differentiate between the FCoE frame and the FIP frame？（）A、 Ethernet FCSB、 Source addressC、 Destination addressD、 EtherTypeE、 Protocol type
Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuis and has built-in security mechanisms?（）A、Frame RelayB、HDLCC、x.25D、PPP
What protocol does an IP phone use to learn the voice VLAN ID it should use for voice traffic？（）A、VTPB、802.1 qC、CDPD、Skinny Station Protocol
Which two of these are characteristics of the 802.1Q protocol?（）A、it is a layer 2 messaging protocol which maintains vlan configurations across network.B、it includes an 8-bit field which specifies the priority of a frame.C、it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.D、it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.E、it is a trunking protocol capable of carring untagged frames.
An authentication request for a PPP over ATM client has been returned to the router with an address of 255.255.255.254. What does this indicate to the router?（）A、A static IP address is used.B、An unnumbered address is used.C、The returned RADIUS address is used.D、The IP address-pool configuration is used.
单选题When you display the routing table by entering the show route command, what does the* indicate?（）AThe route is a direct route.BThe route was selected as active.CThe route is a default route.DThe route was learned using a dynamic routing protocol.
单选题An authentication request for a PPP over ATM client has been returned to the router with an address of 255.255.255.254. What does this indicate to the router?（）AA static IP address is used.BAn unnumbered address is used.CThe returned RADIUS address is used.DThe IP address-pool configuration is used.
单选题What statement is true？（）ALink Control Protocol（LCP） is used for basic PPP link setup and operationBLink Control Protocol（LCP） is used for denying PPP connections to unauthorized devices.CLink Control Protocol（LCP） for PPP is synonymous to ARP for Ethernet.DNone of the above
单选题Which statement about the Link Control Protocol （LCP） is true？（）ALCP is used for basic PPP link setup and operation.BLCP is used for PPP CHAP authentication.CLCP is used for PPP over ATM （PPPoA） setup.DLCP is used for PPP over Ethernet （PPPoE） setup.ELCP is used for PPP over Frame Relay （PPPoFR） setup
单选题What does the LSP Holdtime field in an IS-IS database indicate?（）Athe LSP ageBthe LSP refresh intervalCthe LSP elapsed lifetimeDthe LSP remaining lifetime
多选题ISL is being configured on a Company switch. Which of the following choices are true regarding the ISL protocol？ （）AIt can be used between Cisco and non-Cisco switch devices.BIt calculates a new CRC field on top of the existing CRC field.CIt adds 4 bytes of protocol-specific information to the original Ethernet frame.DIt adds 30 bytes of protocol-specific information to the original Ethernet frame.
单选题Which Ethernet field is used to differentiate between the FCoE frame and the FIP frame？（）A Ethernet FCSB Source addressC Destination addressD EtherTypeE Protocol type
单选题What does blowing tubes accomplish?（）AEliminates unburned fuel oil residues from the fireboxBIncreases boiler efficiencyCFlushes away mineral deposits inside the water tubesDCleans soot deposits from the inside of the stack
多选题Which two of these are characteristics of the 802.1Q protocol?（）Ait is a layer 2 messaging protocol which maintains vlan configurations across network.Bit includes an 8-bit field which specifies the priority of a frame.Cit is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.Dit modifies the 802.3 frame header,and thus requires that the FCS be recomputed.Eit is a trunking protocol capable of carring untagged frames.