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单选题
VLAN Tagging, also known as Frame Tagging, is a method developed by Cisco to help identify packets travelling through trunk links. When an Ethernet frame traverses a trunk link, a special VLAN tag is added to the frame and sent across the trunk link .How does ERS use the VLAN tag?（）
A
provide service internetworking
B
support transparency for Layer 2 frames
C
indicate destination as a connection identifier
D
map to the DLCI in service internetworking
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更多 “单选题VLAN Tagging, also known as Frame Tagging, is a method developed by Cisco to help identify packets travelling through trunk links. When an Ethernet frame traverses a trunk link, a special VLAN tag is added to the frame and sent across the trunk link .How does ERS use the VLAN tag?（）A provide service internetworkingB support transparency for Layer 2 framesC indicate destination as a connection identifierD map to the DLCI in service internetworking” 相关考题
考题
You need to decide on which trunking method to implement in the Ezonexam network. What is a characteristic of ISL and 802.1q frame. tagging in a switched LAN environment?A．They are used to find the best path through a network.B．They allow the exchange of filtering tables.C．They specify different implementations of the Spanning-Tree Protocol.D．They allow the exchange of routing tablesE．They provide inter-switch VLAN communication.
考题
The ERX Edge Router is configured for PPP over Ethernet without using VLAN tagging. How many PPP over Ethernet major interfaces can be configured per port?()
A.1B.100C.2048D.4096
考题
You would like to view all Fast Ethernet interfaces currently using VLAN tagging and the specific VLANs each interface is using.Which CLI command displays this information?()
A.AB.BC.CD.D
考题
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.
考题
Which statement is correct about logical units on Juniper Router interfaces?()
A.Logical units are used only when a Layer 2 identifier is present such as a VLANB.A logical unit of 0 is required when using a frame-relay DLCIC.A logical unit is always requiredD.Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.
考题
The network administrator has just finished installing a new 10/100/1000 switch, but receives reports from the server administrator that servers connected to the new switch seem to be experiencing slow LAN connections. The network administrator checks the port connecting the new switch to the core switch and sees the following information:Which of the following is the MOST likely cause of the slow connections?（）A. The servers have not had VLAN tagging enabled on their NICs.B. Speed and duplex have not been set.C. VLAN tagging was not set on the trunk.D. The servers have been connected with CAT5 cable.
考题
VLAN Tagging, also known as Frame Tagging, is a method developed by Cisco to help identify packets travelling through trunk links. When an Ethernet frame traverses a trunk link, a special VLAN tag is added to the frame and sent across the trunk link .How does ERS use the VLAN tag?（）A. provide service internetworkingB. support transparency for Layer 2 framesC. indicate destination as a connection identifierD. map to the DLCI in service internetworking
考题
Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?()
A.trunk mode mismatchesB.vlans that do not correspond to a unique IP subnetC.native vlan mismatchesD.allowing only vlan 2 on the destination.
考题
Which statement about Remotely Triggered Black Hole （RTBH） is true？（）A、Route tagging is one of the techniques used by RTBHB、It is used for BGP authenticationC、It cannot work with static routesD、It uses extended ACLs for blocking attacks by creating a black holeE、Before configuring RTBH LDP must be enabled on the interface
考题
Which statement is most correct regarding vNICs and VLANs?（）A、only the default vlan has traffic that is taggedB、All vNICs have to be associated with one or more VLANs except for the default vlanC、vlan must be configured before configuring them into a vNICD、Tagging is done by the operating system NIC if the flag is set to tag traffic
考题
What is a characteristic of ISL and 802.1q frame tagging in a switched LAN environment?（）A、They are used to find the best path through a network.B、They allow the exchange of filtering tables.C、They specify different implementations of the Spanning-Tree Protocol.D、They allow the exchange of routing tablesE、They provide inter-switch VLAN communication.
考题
Which statement is true about the data traffic between the access point named TKAP1 and controller TKC1？（）A、 The data traffic between the access point and controller is not encrypted.B、 The data traffic is encapsulated with LWAPP.C、 The data traffic is switched at the access point before being sent to the WLAN controller where VLAN tagging and QoS are applied.D、 The data traffic is encrypted with AES.E、 All of the above
考题
VLAN Tagging, also known as Frame Tagging, is a method developed by Cisco to help identify packets travelling through trunk links. When an Ethernet frame traverses a trunk link, a special VLAN tag is added to the frame and sent across the trunk link .How does ERS use the VLAN tag?（）A、provide service internetworkingB、support transparency for Layer 2 framesC、indicate destination as a connection identifierD、map to the DLCI in service internetworking
考题
Refer to the exhibit A frame on vlan 1on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?（）A、trunk mode mismatchesB、vlans that do not correspond to a unique IP subnetC、native vlan mismatchesD、allowing only vlan 2 on the destination.
考题
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.
考题
The Lightweight Access Point Protocol （LWAPP） is in use within the Company wireless network. Which two statements correctly describe features of this protocol？ （）A、 Control traffic between an access point and a controller is encrypted within LWAPP.B、 Data traffic between an access point and a controller is encrypted within LWAPP.C、 Layer 3 mode packets are transmitted in TCP frames.D、 Data traffic between an access point and a controller is encapsulated within LWAPP.E、 VLAN tagging and QoS markings are applied at the access point.
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.
考题
A server is configured with two network cards. To utilize the bandwidth of both network cards at the same time without assigning more than one IP address, which of the following load balancing techniques should be used?（）A、ClusteringB、NIC teamingC、OSPFD、VLAN tagging
考题
A server is configured with two network cards. To utilize the band width of both network cards at the same time without assigning more than one IP address，which of the following load balancing techniques should be used？（）A、 ClusteringB、 NIC teamingC、 OSPFD、 VLAN tagging
考题
单选题Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?（）A
trunk mode mismatchesB
vlans that do not correspond to a unique IP subnetC
native vlan mismatchesD
allowing only vlan 2 on the destination.
考题
单选题A server is configured with two network cards. To utilize the band width of both network cards at the same time without assigning more than one IP address，which of the following load balancing techniques should be used？（）A
ClusteringB
NIC teamingC
OSPFD
VLAN tagging
考题
单选题Which statement is correct about logical units on Juniper Router interfaces?（）A
Logical units are used only when a Layer 2 identifier is present such as a VLANB
A logical unit of 0 is required when using a frame-relay DLCIC
A logical unit is always requiredD
Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.
考题
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.
考题
单选题A server is configured with two network cards. To utilize the bandwidth of both network cards at the same time without assigning more than one IP address, which of the following load balancing techniques should be used?（）A
ClusteringB
NIC teamingC
OSPFD
VLAN tagging
考题
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 statement is true about the data traffic between the access point named TKAP1 and controller TKC1？（）A
The data traffic between the access point and controller is not encrypted.B
The data traffic is encapsulated with LWAPP.C
The data traffic is switched at the access point before being sent to the WLAN controller where VLAN tagging and QoS are applied.D
The data traffic is encrypted with AES.E
All of the above
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