Last Additions - Practice Exam
16 important questions on Last Additions - Practice Exam
What 4 steps do you take to configure a CoPP policy?
Which contains the Match parameters
2. Define a Policy map
Where you connect the Class map to
3. Go into Control-Plane configuration mode
4. Apply the Policy Map as a QoS policy (Service-Policy Input policy-map-name)
What settings can be modified on a Cisco DNA Center Appliance using the command: sudo maglev-config update
2. DNS Server IP address
3. Default Gateway IP Address
4. NTP IP address
5. Cluster Virtual IP Address
6. Static Route Configurations
7. Proxy Server IP address
8. Maglev user password
9. Admin user password
What is the order in which OSPFv2 LFA FRR (Loop-Free Alternate Fast ReRoute) attributes are considered
1. Srlg
2. Primary-path
3. Interface-disjoint
4. Lowest-metric
5. Linecard-disjoint
6. Node-protecting
7. Broadcast-interface-disjoint
8. Load-sharing
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In BGP what happens when a router receives more prefixes from a neighbor than the configured number in the Neighbor ip-address Maximum-Prefix number command
When a Route Distinguisher is configured in VRF-lite, what does the RD number mean?
RD 100:1 means ASN 100 and the 1 is arbitrary
What is the correct Debug command to get debug messages for CEF actions related to interfaces?
What is Split Horizon and why is it important for DMVPN Hub routers?
It is enabled by default.
Disabling for RIP:
no ip split horizon
In tunnel interface configuration context
Disabling for EIGRP:
no ip split horizon eigrp {as-number}
What does the Default-Information Originate command do on an OSPF router?
1. It injects the router's default route into OSPF
2. The router will become an OSPF ASBR
When using the Area id Range command on an ABR a Discard route to Null0 is created, much like with the Summary-address command.
What is the difference?
The Summary-address command creates a Null0 route with AD of 254
What does Weighted Random Early Detection (WRED) address?
- It is a congestion avoidance mechanism that addresses packet loss caused by tail drop.
- It randomly drops packets when the queue fills up.
- Dropping of packets can be done based on QoS settings, hence Weighted.
What are the 3 steps to enable OSPFv3 to function on an interface
2. Use either IPv6 address OR IPv6 Enable command in interface config mode
3. Use IPv6 OSPF process-id Area area-id [Instance instance-id] command in interface config mode
What difference is important to note about EIGRP versus EIGRPv6 neighborship?
K Values
Subnet
In EIGRPv6 the following values must match:
K Values
AS Number
On a DMVPN Spoke Router, how is the NBMA to Tunnel address mapping and next hop server configured?
ip nhrp map {hub-tunnel-ip} nbma {hub-nbma-ip}
ip nhrp nhs {hub-tunnel-ip}
In later versions commands are combined:
ip nhrp nhs {hub-tunnel-ip} nbma {hub-nbma-ip}
What is the default behavior of LDP for directly connected routes?
What port and protocol is used by LDP and TDP?
- UDP for Hello messages.
- TCP for Label Binding Information.
- LDP uses port 646
- TDP uses port 711
What is needed to support MPLS LDP Autoconfiguration?
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