Cisco Building Cisco Service Provider Next Generation Networks, Part 2 Set 2

Which command configures a switchport to connect only a host device in VLAN 301?

Refer to the partial Cisco IOS-XR configuration. What is the purpose of the for PFX to PEER command?
!
mpls ldp
label
advertise

disable
for PFX to PEER
!

!

What does the command 'rep admin vlan 100' accomplish?

After configuring Q-in-Q on a new interface, the customer has requested that the IOS version and remote model also be viewable via the trunk. What additional command would need to be applied to both sides of the Q-in-Q trunk?

Refer to the configuration output below. OSPFv2 is already configured on a customer router and the customer is requesting that OSPFv3 be added. What configuration is needed in order to add OSPFv3 to the fastethernet0/0 interface?
Configuration:
ipv6 router ospf 1
router-id 209.165.200.227
area 2 nssa
interface fastethernet0/0

ip address 2001:DB8:0:7::

What is the foundation architecture of Cisco Next Generation Networks?

Refer to the configuration snippet below. A new IOS-XR router is being added to the network. What command is required to enable the Label Distribution Protocol on interface GigabitEthernet 0/3/0/0?

Configuration:
mpls ldp
router-id 209.165.200.226

A customer has installed a second router and copied the configuration from the first router, as shown below. What change is needed to ensure that router 1 is the primary IP address?
Router 1
standby 1 priority 110

standby 1 preempt
Router 2
standby 1 priority 120
standby 1 preempt

Which configuration error within an AS can cause a Cisco IOS XR router to not announce certain prefixes to its EBGP peers?

Refer to the configuration snippet below. A network engineer has been tasked with implementing a security policy that prevents subnet 209.165.202.128/27 from accessing web server 209.165.200.224. All users are now unable to access the web server. What command is missing from the access list configuration?
Configuration:
switch(config)#access-list 1 deny 209.165.202.128 0.0.0.31 209.165.200.224
switch(config)#interface FastEthernet 0/0
switch(config-if)# ip access-group 1 in