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多选题
Flex Links are a pair of a Layer 2 interfaces (switchports or port channels), where one interface is configured to act as a backup to the other. Which two statements are correct regarding Flex Links?（）
A
An interface can only belong to single Flex Links.
B
An interface can belong to multiple Flex Links.
C
Flex Links operate only over single pairs of links.
D
Flex Links automatically disable STP so no BPDUs are propagated.
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更多 “多选题Flex Links are a pair of a Layer 2 interfaces (switchports or port channels), where one interface is configured to act as a backup to the other. Which two statements are correct regarding Flex Links?（）AAn interface can only belong to single Flex Links.BAn interface can belong to multiple Flex Links.CFlex Links operate only over single pairs of links.DFlex Links automatically disable STP so no BPDUs are propagated.” 相关考题
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Which of the following statements regarding the use of multiple access lists are valid when configuring a single interface on a Cisco router?()
A. Application of up to three access lists per protocol to a single interface.B. No more than two access lists per interface.C. One access list may be configured per direction for each Layer 3 protocol configured on an interface.D. The maximum number allowed varies due to RAM availability in the router.E. An infinite number of access lists that can be applied to an interface, from most specific to most general.F. Cisco IOS allows only one access list to an interface.
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Flex Links are a pair of a Layer 2 interfaces (switchports or port channels), where one interface is configured to act as a backup to the other. Which two statements are correct regarding Flex Links?（）A. An interface can only belong to single Flex Links.B. An interface can belong to multiple Flex Links.C. Flex Links operate only over single pairs of links.D. Flex Links automatically disable STP so no BPDUs are propagated.
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Which two statements about the configuration of the switch interface are correct (Choose two)()。
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Which two statements about voice VLANs are correct？（）A、Voice VLANs eliminate the need for QoS configurationB、Voice VLANs are used on trunk links to eliminate the need for QoS CoS markingsC、Voice VLANs are mainly used to reduce the number of access switch ports that are used in the networkD、Voice VLANs can be configured to forward existing CoS priorities or override themE、Voice VLANs are mainly used between access layer switches and distribution layer switchesF、Voice VLANs can be configured on Layer 2 ports only
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Which of the following statements regarding the use of multiple access lists are valid when configuring a single interface on a Cisco router?（）A、Application of up to three access lists per protocol to a single interface.B、No more than two access lists per interface.C、One access list may be configured per direction for each Layer 3 protocol configured on an interface.D、The maximum number allowed varies due to RAM availability in the router.E、An infinite number of access lists that can be applied to an interface, from most specific to most general.F、Cisco IOS allows only one access list to an interface.
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Each port that is configured to use LACP has an LACP port priority. Which statements are true about LACP port priority？ （）A、 Port priority value can be configured between 1 and 65535.B、 A higher port priority value means a higher priority of LACP.C、 Port priority can be configured so that specific links can be chosen as active links rather than the hot standby links within the port channel.D、 LACP uses the port priority with the port number to form the port identifier.E、 LACP Port priority default value should always be changed
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Which two statements are correct regarding Flex Links？ （）A、 An interface can belong to multiple Flex Links.B、 Flex Links operate only over single pairs of links.C、 Flex Link pairs must be of the same interface typeD、 Flex Links automatically disable STP so no BPDUs are propagatedE、 Failover from active to standby on Flex Links takes less than a second
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Which of these is true regarding the configuration and application of port access control lists？ （）A、PACLs can be applied in the inbound or outbound direction of a Layer 2 physical interface. B、At Layer 2， a MAC address PACL will take precedence over any existing Layer 3 PACL.C、When you apply a port ACL to a trunk port， the ACL filters traffic on all VLANs present on the trunk port.D、PACLs are not supported on EtherChannel interfaces.
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Which statement about SAN port channels configured on Cisco Nexus 5000 Series Switches is true？（） A、 A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces. B、 SAN port channels can include up to 16 interfaces.C、 SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used.D、 The links in SAN port channels can be connected to different sets of switches.E、 The On mode of operation means ports only operate as part of a SAN port channel or remain inactive.
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Which two statements are correct regarding units in JUNOS?（）A、Units in JUNOS are always required for any interface configured with logical addresses such as IP and IPv6.B、Units in JUNOS are only required when you are configuring sub-interfaces for inter-VLAN routing.C、Unit numbers must match the DLCI or VCI numbers configured on the interface.D、Unit 0 is the only value allowed on interfaces running HDLC, PPP, or for Ethernet interfaces not doing VLAN-tagging.
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Which two statements are true regarding single row functions?（）A、They accept only a single argument B、They can be nested only to two levels C、Arguments can only be column values or constants D、They always return a single result row for every row of a queried table E、They can return a data type value different from the one that is referenced
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多选题Which statements are valid for a local SPAN configuration？ （）ASource and destination interface must be on the same hostBSource and destination interfaces can be on different hostsCDestination vEthernet interface can be on a different VLAN than the sourceDDestination interface can be a physical portEDestination interface cannot be a physical port
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多选题Which two statements are correct regarding Flex Links？ （）AAn interface can belong to multiple Flex Links.BFlex Links operate only over single pairs of links.CFlex Link pairs must be of the same interface typeDFlex Links automatically disable STP so no BPDUs are propagatedEFailover from active to standby on Flex Links takes less than a second
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多选题Which two statements are correct regarding units in JUNOS?（）AUnits in JUNOS are always required for any interface configured with logical addresses such as IP and IPv6.BUnits in JUNOS are only required when you are configuring sub-interfaces for inter-VLAN routing.CUnit numbers must match the DLCI or VCI numbers configured on the interface.DUnit 0 is the only value allowed on interfaces running HDLC, PPP, or for Ethernet interfaces not doing VLAN-tagging.
考题
单选题Which of the following statements regarding the use of multiple access lists are valid when configuring a single interface on a Cisco router?（）A
Application of up to three access lists per protocol to a single interface.B
No more than two access lists per interface.C
One access list may be configured per direction for each Layer 3 protocol configured on an interface.D
The maximum number allowed varies due to RAM availability in the router.E
An infinite number of access lists that can be applied to an interface, from most specific to most general.F
Cisco IOS allows only one access list to an interface.
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多选题Which two statements about voice VLANs are correct？（）AVoice VLANs eliminate the need for QoS configurationBVoice VLANs are used on trunk links to eliminate the need for QoS CoS markingsCVoice VLANs are mainly used to reduce the number of access switch ports that are used in the networkDVoice VLANs can be configured to forward existing CoS priorities or override themEVoice VLANs are mainly used between access layer switches and distribution layer switchesFVoice VLANs can be configured on Layer 2 ports only
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多选题Overlay Transport Virtualization （OTV） join interface is used to source the OTV encapsulated traffic and send it to the Layer 3 domain of the data center network. Which statements are true about OTV join interface？ （）AJoin interface is a Layer 3 entity， and with the Cisco NX-OS release 6.0， it can only be defined as a physical interface， physical subinterface， Layer 3 port channel， or Layer 3 port channel subinterface.BA single join interface can be defined and associated with a given OTV overlay.CMultiple overlays can also share the same join interface.DJoin interface can be a loopback interface.EThe join interface is a Layer 3 entity that can be defined as a physical interface but not as a logical one.
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多选题Which two statements are true regarding single row functions?（）AThey accept only a single argumentBThey can be nested only to two levelsCArguments can only be column values or constantsDThey always return a single result row for every row of a queried tableEThey can return a data type value different from the one that is referenced
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多选题Which two statements about the configuration of the switch interface are correct (Choose two)（）。AThe switchport belongs only to VLAN 2BInterface fa0/0 will be in both VLAN 1 (by default) and VLAN 2CThe exhibit shows interface fa0/0 to be dynamically mapped to VLAN 2DA network host can be connected to this interface
考题
多选题Each port that is configured to use LACP has an LACP port priority. Which statements are true about LACP port priority？ （）APort priority value can be configured between 1 and 65535.BA higher port priority value means a higher priority of LACP.CPort priority can be configured so that specific links can be chosen as active links rather than the hot standby links within the port channel.DLACP uses the port priority with the port number to form the port identifier.ELACP Port priority default value should always be changed
考题
单选题Which statement about SAN port channels configured on Cisco Nexus 5000 Series Switches is true？（）A
A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces. B
SAN port channels can include up to 16 interfaces.C
SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used.D
The links in SAN port channels can be connected to different sets of switches.E
The On mode of operation means ports only operate as part of a SAN port channel or remain inactive.
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