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Q1. What are three benefits of deploying NAT with ALG? (Choose three.)
A. the use of dynamic ephemeral ports through a firewall
B. the synchronization of translations between multiple streams of data
C. the use of deep packet inspection
D. the use of static ephemeral ports through a firewall
E. the conversion of session layer addresses from the application payload to outside global addresses
F. NAT traversal to support asymmetric data sessions
Answer: A,B,C
Q2. DRAG DROP
Drag and drop the BGP state on the left to the action that defines it on the right.
Answer:
Q3. In the DiffServ model, which class represents the highest priority with the lowest drop probability?
A. AF11
B. AF13
C. AF41
D. AF43
Answer: C
Q4. DRAG DROP
Drag and drop the NHRP flag on the left to the corresponding meaning on the right.
Answer:
Q5. Which two tunneling techniques determine the IPv4 destination address on a per-packet basis? (Choose two.)
A. 6to4 tunneling
B. ISATAP tunneling
C. manual tunneling
D. GRE tunneling
Answer: A,B
Explanation: Tunnel Configuration Parameters by Tunneling Type
Tunneling Type
Tunnel Configuration Parameter
Tunnel Mode
Tunnel Source
Tunnel Destination
Interface Prefix or Address
Manual
ipv6ip
An IPv4 address, or a reference to an interface on which IPv4 is configured.
An IPv4 address.
An IPv6 address.
GRE/IPv4
gre ip
An IPv4 address.
An IPv6 address.
IPv4-compatible
ipv6ip auto-tunnel
Not required. These are all point-to-multipoint tunneling types. The IPv4 destination address is calculated, on a per-packet basis, from the IPv6 destination.
Not required. The interface address is generated as ::tunnel-source/96.
6to4
ipv6ip 6to4
An IPv6 address. The prefix must embed the tunnel source IPv4 address
ISATAP
ipv6ip isatap
An IPv6 prefix in modified eui-64 format. The IPv6 address is generated from the prefix and the tunnel source IPv4 address.
Reference: http://www.cisco.com/c/en/us/td/docs/ios/ipv6/configuration/guide/12_4t/ipv6_12_4t_book/i p6-tunnel.html
Q6. DRAG DROP
Drag and drop the NAT operations on the left into the correct sequential order on the right.
Answer:
Q7. Refer to the exhibit.
Which two issues can cause the interface VLAN10 to be down/down? (Choose two.)
A. The VLAN is inactive or has been removed from the VLAN database.
B. STP is in a forwarding state on the port.
C. A Layer 2 access port is configured with VLAN10, but is in a down/down state.
D. The autostate exclude feature was used on interface VLAN10.
Answer: A,C
Q8. With AutoInstall, which mechanism allows for automatic addressing of the serial interface using HDLC?
A. ARP
B. BOOTP
C. DHCP
D. SLARP
Answer: D
Q9. Which two statements about NetFlow are true? (Choose two.)
A. It must be configured on each router in a network.
B. It supports ATM LAN emulation.
C. The existing network is unaware that NetFlow is running.
D. It uses SIP to establish sessions between neighbors.
E. It provides resource utilization accounting.
Answer: C,E
Explanation:
NetFlow identifies packet flows for both ingress and egress IP packets. It does not involve any connection-setup protocol, either between routers or to any other networking device or end station. NetFlow does not require any change externally--either to the packets themselves or to any networking device. NetFlow is completely transparent to the existing network, including end stations and application software and network devices like LAN switches. Also, NetFlow capture and export are performed independently on each internetworking device; NetFlow need not be operational on each router in the network. NetFlow data provides fine-grained metering for highly flexible and detailed resource utilization accounting. For example, flow data includes details such as IP addresses, packet and byte counts, timestamps, type-of-service, and application ports. Service providers might utilize the information for billing based on time-of-day, bandwidth usage, application usage, or quality of service. Enterprise customers might utilize the information for departmental chargeback or cost allocation for resource utilization.
Reference: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/netflow/configuration/12-4t/nf-12-4t-book/ios-netflow-ov.html
Q10. Which topology allows the split-horizon rule to be safely disabled when using EIGRP?
A. full mesh
B. partial mesh
C. hub and spoke
D. ring
Answer: C