CCIE系列认证章节练习(2019.07.08)

单项选择题
You have a router running BGP for the MPLS network and OSPF for the local LAN network at the sales office. A route is being learned from the MPLS network that also exists on the OSPF local network.It is important that the router chooses the local LAN route being learned from the downstream switch running OSPF rather than the upstream BGP neighbor. Also，if the local OSPF route goes away，the BGP route needs to be used. What should be configured to make sure that the router will choose the LAN network as the preferred path？（）
A.static route needs to be added
B.floating static route needs to be added
C.bgp backdoor command
D.ospf backdoor command
多项选择题
When creating a role in a Cisco Nexus 7000 Series Switch， rules are used to define the type of operations that a role will allow the user to perform. Which two of these parameters cannot be applied as a rule？（）
A. port-profile
B. command
C. access-list
D. feature-group
E. OID
单项选择题
What best explains the BGP route-reflector function？（）
A.BGP route-reflector should be in forwarding path of data coming from its clients
B.BGP route-reflector does not have to be in the forwarding path of data coming from its clients
C.BGP route-reflector will stop reflecting the routes if they’re not directly-connected clients
D.None of the above
单项选择题
How will EIGRPv6 react if there is an IPv6 subnet mask mismatch between the Global Unicast addresseson a point-to-point link？（）
A.EIGRPv6 will form a neighbor relationship.
B.EIGRPv6 will not form a neighbor relationship.
C.EIGRPv6 will form a neighbor relationship， but with the log MSG： "EIGRPv6 neighbor not on a commonsub net."
D.EIGRPv6 will form a neighbor relationship， but routes learned from that neighbor will not be installed inthe routing table.
多项选择题
Refer to the exhibit. The Layer 2 network uses VTP to manage its VLAN database. A network designer created all VLANs on the VTP server （switch 1） and it has been advertised through VTP to all other VTP clients （switches 2 through 4）. Due to network growth，a network operator decided to add a new switch between switch 1 and switch 3. The network operator has been instructed to use a refurbished switch and use a VTP client. Which three of these factors should the network operator consider to minimize the impact of adding a new switch？（）
A.Pay special attention to the VTP revision number， because the higher value takes the priority.
B.Configure all VLANs manually on the new switch in order to avoid connectivity issues.
C.A trunk should be established between the new switch and switches 1 and 3 as VTP only runs over trunk links.
D.Set at least the VTP domain name and password to get the new switch synchronized.
E.An ISL trunk should be established between the new switch and switches 1 and 3，because VTP only runs over ISL.
F.Pay special attention to the VTP revision number， because the lower value takes the priority.
多项选择题
Refer to the exhibit.From the MAC addresses shown in the command output，to which two ports is the multicast stream 225.230.57.199 being forwarded on this switch？（）
A.Fa6/28
B.Fa7/20
C.Gi3/7
D.Fa4/2
E.Fa4/14
F.Fa4/38
G.Fa6/38
H.Fa5/7
多项选择题
Your network is suffering from regular outages. After troubleshooting， you learn that the transmit lead of a fiber uplink was damaged. Which two features can prevent the same issues in the future？（）
A.root guard
B.loop guard
C.BPDU guard
D.UDLD
E.BPDU skew detection
多项选择题
Packed Cell Relay encapsulation with AToM inclues which of the following？（）
A.Tunnel label
B.VC-label
C.5-byte ATM header
D.Payload
E.4 byte ATM header
F.Support for 30 packed cells
单项选择题
Which of these best describes the actions taken when a VTP message is received on a switch configured with the VTP mode "transparent"？（）
A. VTP updates are ignored and forwarded out all ports.
B. VTP updates are ignored and forwarded out trunks only.
C. VTP updates are made to the VLAN database and are forwarded out trunks only.
D. VTP updates are ignored and are not forwarded.
多项选择题
As a network engineer， you responsibility is to install， configure， operate， and troubleshoot networks. In your company’s network， EIGRP is the routing protocol. You have just discovered that two routers restarted the neighbor relationship.Why？（）
A.An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
B.The counters were deleted.
C.The ARP cache was removed.
D.The IP EIGRP neighbor relationship was cleared manually.

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CCIE系列认证章节练习(2019.07.08)

When creating a role in a Cisco Nexus 7000 Series Switch， rules are used to define the type of operations that a role will allow the user to perform. Which two of these parameters cannot be applied as a rule？（）

What best explains the BGP route-reflector function？（）

How will EIGRPv6 react if there is an IPv6 subnet mask mismatch between the Global Unicast addresseson a point-to-point link？（）

Refer to the exhibit.From the MAC addresses shown in the command output，to which two ports is the multicast stream 225.230.57.199 being forwarded on this switch？（）

Your network is suffering from regular outages. After troubleshooting， you learn that the transmit lead of a fiber uplink was damaged. Which two features can prevent the same issues in the future？（）

Packed Cell Relay encapsulation with AToM inclues which of the following？（）

Which of these best describes the actions taken when a VTP message is received on a switch configured with the VTP mode "transparent"？（）

As a network engineer， you responsibility is to install， configure， operate， and troubleshoot networks. In your company’s network， EIGRP is the routing protocol. You have just discovered that two routers restarted the neighbor relationship.Why？（）

CCIE系列认证章节练习(2019.07.08)

When creating a role in a Cisco Nexus 7000 Series Switch， rules are used to define the type of operations that a role will allow the user to perform. Which two of these parameters cannot be applied as a rule？ （）

What best explains the BGP route-reflector function？（）

How will EIGRPv6 react if there is an IPv6 subnet mask mismatch between the Global Unicast addresseson a point-to-point link？（）

Refer to the exhibit.From the MAC addresses shown in the command output，to which two ports is the multicast stream 225.230.57.199 being forwarded on this switch？（）

Your network is suffering from regular outages. After troubleshooting， you learn that the transmit lead of a fiber uplink was damaged. Which two features can prevent the same issues in the future？（）

Packed Cell Relay encapsulation with AToM inclues which of the following？（）

Which of these best describes the actions taken when a VTP message is received on a switch configured with the VTP mode "transparent"？ （）

As a network engineer， you responsibility is to install， configure， operate， and troubleshoot networks. In your company’s network， EIGRP is the routing protocol. You have just discovered that two routers restarted the neighbor relationship.Why？ （）

When creating a role in a Cisco Nexus 7000 Series Switch， rules are used to define the type of operations that a role will allow the user to perform. Which two of these parameters cannot be applied as a rule？（）

Which of these best describes the actions taken when a VTP message is received on a switch configured with the VTP mode "transparent"？（）

As a network engineer， you responsibility is to install， configure， operate， and troubleshoot networks. In your company’s network， EIGRP is the routing protocol. You have just discovered that two routers restarted the neighbor relationship.Why？（）