单选题The Company core switches use 802.1Q trunks to connect to each other. How does 802.1Q trunking keep track of multiple VLANs？（）A It tags the data frame with VLAN information and recalculates the CRC valueB It encapsulates the data frame with a new header and frame check sequenceC It modifies the port index of a data frame to indicate the VLAND It adds a new header containing the VLAN ID to the data frameE None of the other alternatives apply

考题 What must the Ezonexam network administrator do in order to successfully configure a VLAN trunk between two switches named VE1 and VE2? (Select two answer choices)A. Set each end of the trunk line to IEEE 802.1Q encapsulation.B. Set the same VTP management domain name on both switches.C. Set all ports on the two switched as access ports.D. Configure one of the two switches as a VTP server.E. Connect the two switches using a rollover cable.F. Use a router to forward VTP traffic between the VLANs.

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考题 What must an administrator do in order to successfully configure a VLAN trunk between two switches?() A. Set each end of the trunk line to IEEE 802.1Q encapsulation.B. Set the same VTP management domain name on both switches.C. Set all ports on the two switched as access ports.D. Configure one of the two switches as a VTP server.E. Connect the two switches using a rollover cable.F. Use a router to forward VTP traffic between the VLANs.

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考题 To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus?() A. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC. to two core switches from redundant distribution switches connected with a Layer 2 linkD. to two core switches from redundant distribution switches connected with a Layer 3 linkE. to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO

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考题 Which two of these are recommended practices with trunks? () A. use ISL encapsulationB. use 802.1q encapsulationC. set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiationD. use VTP server mode to support dynamic propagation of VLAN information across the networkE. set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

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考题 Which three of these statements regarding 802.1Q trunking are correct? () A.802.1Q native VLAN frames are untagged by default.B.802.1Q trunking ports can also be secure ports.C.802.1Q trunks can use 10 Mb/s Ethernet interfaces.D.802.1Q trunks require full-duplex, point-to-point connectivity.E.802.1Q trunks should have native VLANs that are the same at both ends.

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考题 Which two of these are recommended practices with trunks？（）A、 use ISL encapsulationB、 use 802.1q encapsulationC、 set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiationD、 use VTP server mode to support dynamic propagation of VLAN information across the network E、 set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

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考题 To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）A、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC、 to two core switches from redundant distribution switches connected with Layer 2 linkD、 to two core switches from redundant distribution switches connected with Layer 3 linkE、 to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO

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考题 Company uses layer 3 switches in the Core of their network. Which method of Layer 3 switching uses a forwarding information base （FIB）？（）A、Topology-based switchingB、Demand-based switchingC、Route cachingD、Flow-based switchingE、None of the other alternatives apply

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考题 The core Company switches are configured to use 802.1Q trunks. Which three statements are correct with regard to the IEEE 802.1Q standard？（）A、 The IEEE 802.1Q frame format adds a 4 byte field to a Ethernet frameB、 The packet is encapsulated with a 26 byte header and a 4 byte FCSC、 The protocol uses point-to-multipoint connectivityD、 The protocol uses point-to-point connectivityE、 The IEEE 802.1Q frame uses multicast destination of 0x01-00-0c-00-00F、 The IEEE 802.1Q frame retains the original MAC destination address

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考题 What must an administrator do in order to successfully configure a VLAN trunk between two switches?（）A、Set each end of the trunk line to IEEE 802.1Q encapsulation.B、Set the same VTP management domain name on both switches.C、Set all ports on the two switched as access ports.D、Configure one of the two switches as a VTP server.E、Connect the two switches using a rollover cable.F、Use a router to forward VTP traffic between the VLANs.

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考题 Which three of these statements regarding 802.1Q trunking are correct？（）A、802.1Q native VLAN frames are untagged by default.B、802.1Q trunking ports can also be secure ports.C、802.1Q trunks can use 10 Mb/s Ethernet interfaces.D、802.1Q trunks require full-duplex， point-to-point connectivity.E、802.1Q trunks should have native VLANs that are the same at both ends.

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考题 An administrator is configuring a Catalyst switch with VLAN information that must be automatically distributed to other Catalyst switches in the network. What conditions must be met in order for the VLANs configured on this switch to be automatically configured on the other switches?（）A、The switch that will share its VLAN configuration must be in VTP server mode.B、The switches must be in the same VTP domain.C、The switch that will share the VLAN information must be configured as the root bridge.D、The switches must be connected over VLAN trunks.E、The switches must be configured to use the same STP version.F、The switches must have VTP pruning activated.

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考题 You are designing your network to be able to use trunks. As part of this process you are comparing the ISL and 802.1Q encapsulation options. All of these statements about the two encapsulation options are correct except which one？（）A、Both support normal and extended VLAN ranges.B、ISL is a Cisco proprietary encapsulation method and 802.1Q is an IEEE standard.C、ISL encapsulates the original frame.D、Both support native VLANs.E、802.1Q does not encapsulate the original frame.

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考题 Which two of these are recommended practices with trunks？（）A、use ISL encapsulationB、use 802.1q encapsulationC、set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiationD、use VTP server mode to support dynamic propagation of VLAN information across the networkE、set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation

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考题 What best describes an FXO interface？（）A、analog trunks that provide the Survivable Remote Site Telephony (SRST) feature B、analog trunks that provide VoIP gateway functionality C、analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems D、analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)

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考题 The Company core switches use 802.1Q trunks to connect to each other. How does 802.1Q trunking keep track of multiple VLANs？（）A、 It tags the data frame with VLAN information and recalculates the CRC valueB、 It encapsulates the data frame with a new header and frame check sequenceC、 It modifies the port index of a data frame to indicate the VLAND、 It adds a new header containing the VLAN ID to the data frameE、 None of the other alternatives apply

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考题 A new switch is installed in the Testking network. This switch is to be configured sothat VLAN information will be automatically distributed to all the other Cisco Catalyst switches in the network. Which of the conditions below have to be met in order for this to occur?（）A、The switch that will share the VLAN information must be in the VTP Server mode.B、The switches must be in the same VTP domain.C、The switch that will share the VLAN information must be configured as the root bridge.D、The switches must be configured to use the same VTP version.E、The switches must be configured to use the same STP version.F、The switches must be configured to use the same type of ID tagging.G、The switches must be connected over VLAN trunks.

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考题单选题What is a characteristic of Network Time Protocol？（）A NTP updates are sent in the timezone they are collected in，and the syslog server will adjust based on the input time.B NTP authentication verifies the source，not the recipient.C NTP authentication requires that the recipient has multiple strata clocks to ensure accuracy.D Secure NTP can be configured to use SHA-1 hashing，since NTP is very insecure.E A stratum 0 clock should be configured at the core of every network，so it can connect to an accuratetime source.

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考题多选题The core Company switches are configured to use 802.1Q trunks. Which three statements are correct with regard to the IEEE 802.1Q standard？（）AThe IEEE 802.1Q frame format adds a 4 byte field to a Ethernet frameBThe packet is encapsulated with a 26 byte header and a 4 byte FCSCThe protocol uses point-to-multipoint connectivityDThe protocol uses point-to-point connectivityEThe IEEE 802.1Q frame uses multicast destination of 0x01-00-0c-00-00FThe IEEE 802.1Q frame retains the original MAC destination address

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考题多选题An administrator is configuring a Catalyst switch with VLAN information that must be automatically distributed to other Catalyst switches in the network. What conditions must be met in order for the VLANs configured on this switch to be automatically configured on the other switches?（）AThe switch that will share its VLAN configuration must be in VTP server mode.BThe switches must be in the same VTP domain.CThe switch that will share the VLAN information must be configured as the root bridge.DThe switches must be connected over VLAN trunks.EThe switches must be configured to use the same STP version.FThe switches must have VTP pruning activated.

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考题单选题You are designing your network to be able to use trunks. As part of this process you are comparing the ISL and 802.1Q encapsulation options. All of these statements about the two encapsulation options are correct except which one？（）A Both support normal and extended VLAN ranges.B ISL is a Cisco proprietary encapsulation method and 802.1Q is an IEEE standard.C ISL encapsulates the original frame.D Both support native VLANs.E 802.1Q does not encapsulate the original frame.

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考题单选题You need to connect two Company core switches via an ISL trunk. Which statement is true regarding the configuration of ISL trunks？（）A A Catalyst switch cannot have ISL and IEEE 802.1q trunks enabled.B All Catalyst switches support ISL trunking.C A Catalyst switch will report giants if one side is configured for ISL while the other side is not.D ISL trunking requires that native VLANs match.E None of the other alternatives apply

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考题多选题Which three of these statements regarding 802.1Q trunking are correct? （）A802.1Q native VLAN frames are untagged by default.B802.1Q trunking ports can also be secure ports.C802.1Q trunks can use 10 Mb/s Ethernet interfaces.D802.1Q trunks require full-duplex, point-to-point connectivity.E802.1Q trunks should have native VLANs that are the same at both ends.

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考题多选题To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?（）AEach end of the trunk line must be set to IEEE 802.1E encapsulation.BThe VTP management domain name of both switches must be set the same.CAll ports on both the switches must be set as access ports.DOne of the two switches must be configured as a VTP server.EA rollover cable is required to connect the two switches together.FA router must be used to forward VTP traffic between VLANs.

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考题单选题You are designing your network to be able to use trunks. As part of this process you are comparing the ISL and 802.1Q encapsulation options. All of these statements about the two encapsulation options are correct except which one？（）A Both support normal and extended VLAN ranges.B ISL is a Cisco proprietary encapsulation method and 802.1Q is an IEEE standard.C ISL encapsulates the original frame.D Both support native VLANs.E 802.1Q does not encapsulate the original frame.

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考题单选题To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）A to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC to two core switches from redundant distribution switches connected with Layer 2 linkD to two core switches from redundant distribution switches connected with Layer 3 linkE to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO

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考题单选题Company uses layer 3 switches in the Core of their network. Which method of Layer 3 switching uses a forwarding information base （FIB）？（）A Topology-based switchingB Demand-based switchingC Route cachingD Flow-based switchingE None of the other alternatives apply

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