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2016 Jul 400-101 ccie written exam number:
Q491. Which two statements about the BGP community attribute are true? (Choose two.)
A. Routers send the community attribute to all BGP neighbors automatically.
B. A router can change a received community attribute before advertising it to peers.
C. It is a well-known, discretionary BGP attribute.
D. It is an optional transitive BGP attribute.
E. A prefix can support only one community attribute.
A community is a group of prefixes that share some common property and can be configured with the BGP community attribute. The BGP Community attribute is an optional transitive attribute of variable length. The attribute consists of a set of four octet values that specify a community. The community attribute values are encoded with an Autonomous System (AS) number in the first two octets, with the remaining two octets defined by the AS. A prefix can have more than one community attribute. A BGP speaker that sees multiple community attributes in a prefix can act based on one, some or all the attributes. A router has the option to add or modify a community attribute before the router passes the attribute on to other peers.
Q492. Which two statements about LDP advertising when Explicit Null is in effect are true? (Choose two.)
A. Penultimate hop popping is disabled.
B. Penultimate hop popping is enabled.
C. It is the default behavior for LDP.
D. It is used for the advertisement of static routes.
E. It is used for the advertisement of connected routes.
Q493. DRAG DROP
Drag and drop the EIGRP term on the left to the corresponding definition on the right.
Q494. Refer to the exhibit.
Which two statements about this egress queue are true? (Choose two.)
A. The queue 3 buffer is allocated 20 percent, its drop threshold is 100 percent, and it is guaranteed 400 percent of memory.
B. The queue 1 buffer is allocated 30 percent, its drop threshold is 25 percent, and it is guaranteed 100 percent of memory.
C. The queue 1 buffer is allocated 30 percent, its drop threshold is 100 percent, and it is guaranteed 150 percent of memory.
D. The queue 2 buffer is allocated 30 percent, its drop threshold is 200 percent, and it can use at maximum 400 percent of memory.
E. The queue 3 buffer is allocated 30 percent, its drop threshold is 100 percent, and it can use at maximum 400 percent of memory.
Q495. DRAG DROP
Drag and drop the PPPoE packet type on the left to the corresponding description on the right.
Replace 400-101 ccie written passing score:
Q496. Refer to the exhibit.
Why is the neighbor relationship between R2 and R4 shown as ES-IS?
A. because there is an MTU mismatch between R2 and R4
B. because interface S3/0 of R4 is configured as L1/L2
C. because interface S3/0 of R2 is configured as L1
D. because there is a hello interval mismatch between R2 and R4
With IS-IS we will see ES-IS when one of the following is true:
So in this question because we do not know about the other side’s “show CLNS neighbor” A must be the better choose.
Q497. Refer to the exhibit.
RIPv2 authentication is failing on a device with this configuration. Which two actions can you take to enable it? (Choose two.)
A. Set the RIP authentication mode to text.
B. Set the RIP authentication mode to MD5.
C. Configure the password encryption for the key.
D. Set the password encryption to AES.
See the reference link below for information on configuring RIPv2 authentication, including both test and MD5 modes.
Q498. Refer to the exhibit.
Which two statements are true regarding prefix 10.1.0.0/24? (Choose two.)
A. The prefix is in policy, and Cisco PfR rerouted the traffic via 10.4.5.3 Et0/1 because of an OOP event.
B. Cisco PfR is monitoring the prefix via passive NetFlow mode only.
C. Cisco PfR is monitoring the prefix via active, fast, or active throughput IP SLA probe mode only.
D. The prefix is in policy, and Cisco PfR did not reroute the traffic via 10.4.5.3 Et0/1 because the traffic was previously in policy.
E. Cisco PfR is monitoring the prefix via mode monitor, which provides both NetFlow and IP SLA measurements.
Q499. Which three types of traffic are protected when you implement IPsec within an IPv6-in-IPv4 tunnel? (Choose three.)
A. IPv6 link-local traffic
B. IPv6 multicast traffic
C. IPv6 unicast traffic
D. IPv4 tunnel control traffic
E. IPv4 broadcast traffic
F. IPv6 broadcast traffic
Q500. Which LSA type is associated with the default route in a totally stubby area?
A. interarea-prefix LSA for ABRs (Type 3)
B. autonomous system external LSA (Type 5)
C. router LSA (Type 1)
D. interarea-router LSAs for ASBRs (Type 4)