Which two statements are true about L2TP tunnel switching?（）A、Requires only one tunnel switching license.B、Requires two licenses, one for inbound and one for outbound sessions.C、Enabled automatically when the BSR is configured as an LAC and LNS.D、Aids in

第1题：

Which statement about L2VPN Pseudowire Switching is not true？（）

• A、L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across an inter-AS boundary
• B、L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across two separate MPLS networks
• C、Quality of service is not supported per Pseudowire
• D、L2VPN Pseudowire Switching connects two or more contiguous Pseudowires segments to from an end-to-end multihop Pseudowire
• E、The Cisco MPLS Traffic Engineering tunnel selection is not supported

第2题：

Which two statements are true about L2TP tunnels?（） (Choose two.)

• A、Traffic is clear text
• B、Traffic is encrypted 
• C、They are initiated by the LNS
• D、They are initiated by the LAC

第3题：

Which two statements about the Cisco Nexus 1000V VSM are true?（）

• A、It performs switching decisions and forwarding for the VEM
• B、It can be run on a virtual machine
• C、It can be used for remote VEM switching Iine cards

第4题：

Which of these statements best describes the major difference between an IPv4-compatible tunnel and a 6to4 tunnel？ （）

• A、 An IPv4-compatible tunnel is a static tunnel， but an 6to4 tunnel is a semiautomatic tunnel.
• B、 The deployment of a IPv4-compatible tunnel requires a special code on the edge routers， but a 6to4 tunnel does not require any special code.
• C、 An IPv4-compatible tunnel is typically used only between two IPv6 domains， but a 6to4 tunnel is used to connect to connect two or more IPv6 domains.
• D、 For an IPv4-compatible tunnel， the ISP assigns only IPv4 addresses for each domain， but for a 6to4 tunnel， the ISP assigns only IPv6 addresses for each domain.

第5题：

Which two of these statements best describe fast secure roaming？ （Choose two.）（）  

• A、 available only in autonomous APs
• B、 available in autonomous and lightweight APs
• C、 a feature of WDS in autonomous APs
• D、 a feature of WDS in lightweight APs
• E、 requires at least one AP and one Wireless LAN Services Module

第6题：

Which three statements are correct about Rate Limiters? （）(Choose three.)

• A、one-rate rate limiters
• B、two-rate rate limiters
• C、two-rate rate limiters is the default
• D、one-rate rate limiters is the default
• E、there is no default it must be configured

第7题：

For IKE phase 1 negotiations， when is aggressive mode typically used？（）

• A、when one of the tunnel peers has a dynamic IP address
• B、when one of the tunnel peers wants to force main mode to be used
• C、when fragmentation of the IKE packet is required between the two peers
• D、when one of the tunnel peers wants to specify a different phase 1 proposal

第8题：

Which two statements about bigfile tablespaces are true？ （）

• A、The bigfile tablespace have only one data file.
• B、The segment space management is automatic.
• C、The extent management is dictionary managed.
• D、The database can have only one bigfile tablespace.
• E、The bigfile tablespace can be converted to a smallfile tablespace.

第9题：

第10题：

第11题：

第12题：

第13题：

When configuring a multipoint GRE （mGRE） tunnel interface， which one of the following is NOT a valid configuration option：（）

• A、 tunnel source
• B、 tunnel destination
• C、 tunnel key
• D、 ip address
• E、 tunnelvrf

第14题：

What is true about a Bypass Tunnel in MPLS Fast Reroute?（）

• A、Only configured on the egress router
• B、Only configured on the ingress router
• C、Is pre-signalled to reduce packet loss
• D、Must intersect the primary LSP at two locations

第15题：

Which two statements are true about the configuration of voice VLANs？（）

• A、Static secure MAC addresses can be configured in conjunction with voice VLANs.
• B、PortFast is automatically enabled when voice VLANs are configured.
• C、PortFast must be manually configured when voice VLANs are configured.
• D、Voice VLANs are typically configured on uplink ports.
• E、Voice VLANs are typically configured on access ports.

第16题：

Which statement about MPLS traffic engineering policy-based tunnel selection （PBTS） is not true？（）

• A、The tunnel that is not configured with the policy-class command acts as the default
• B、EXP selection is between multiple tunnels to the same destination
• C、There is no requirement for IGP extensions
• D、Tunnels are configured using the policy-class command and carry multiple EXP values
• E、It supports VRF traffic， IP-to-MPLS switching， and MPLS-to-MPLS switching

第17题：

Which two statements are true about L2TP tunnel switching?（）

• A、Requires only one tunnel switching license.
• B、Requires two licenses，one for inbound and one for outbound sessions.
• C、Enabled automatically when the BSR is configured as an LAC and LNS.
• D、Aids in L2TP tunnel scaling

第18题：

Which CLI command is used to enable L2TP tunnel switching?（）

• A、l2tp tunnelling
• B、l2tp tunnel switching
• C、l2tp tunnel-switching
• D、enable l2tp tunnel switching

第19题：

Which two statements about subqueries are true? （）

• A、A subquery should retrieve only one row.
• B、A subquery can retrieve zero or more rows.
• C、A subquery can be used only in SQL query statements.
• D、Subqueries CANNOT be nested by more than two levels.
• E、A subquery CANNOT be used in an SQL query statement that uses group functions.
• F、When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.

第20题：

第21题：

第22题：

第23题：