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CCIE R&S Core Knowledge Question(14)
Saturday, August 15th, 20091. What are the two tables that CEF utilizes to switch packets? Highlight for answer: Forwarding Information Base(FIB) and [CEF] adjacency table. 2. A port in the Spanning Tree state of ‘blocking’ does not allow any type of traffic – true or false? Highlight for answer: False – BPDUs are still allowed over the link. [...]
CCIE R&S Core Knowledge Question(13)
Monday, July 13th, 20091. What are unsolicited messages sent from an SNMP agent to an SNMP management station called? Highlight for answer: SNMP traps. SNMP informs fit this description as well. 2. What is the effect of issuing the exec level command ‘terminal monitor’? Highlight for answer: This command will enable the device to send log messages to [...]
CCIE R&S Core Knowledge Question(12)
Wednesday, July 1st, 20091. Which Cisco-proprietary STP feature detects indirect failures in the core of the backbone? Highlight for answer: BackboneFast. 2. Which two commands can be used to disable the executive timeout feature? Highlight for answer: no exec-timeout or exec-timeout 0 0 3．What is the practice of advertising a contiguous set of addresses with a single, less-specific [...]
CCIE R&S Core Knowledge Question(11)
Monday, June 22nd, 20091. When configuring OSPF Fast Hello Packets, does the hello multiplier need to match on the entire segment? Highlight for answer: Not as long as at least one hello packet is sent within the dead-interval (1 second). 2. An OSPF virtual-link is a link to the backbone area through…. Highlight for answer: a nonbackbone(transit), non-stub [...]
CCIE R&S Core Knowledge Question(10)
Friday, June 5th, 20091. R1#show frame pvc interface serial 1/0 PVC Statistics for interface Serial1/0 (Frame Relay DTE) Active Inactive Deleted Static Local 1 0 0 0 Switched 0 0 0 0 Unused 0 0 0 0 DLCI = 103, DLCI USAGE = UNUSED, PVC STATUS = ACTIVE, INTERFACE = Serial1/0 input pkts 0 output pkts 0 in [...]
CCIE R&S Core Knowledge Question(9)
Tuesday, June 2nd, 20091. SPF is scheduled to calculate the Shortest Path Tree when…. Highlight for answer: there is a change in the topology. 2. Which Cisco proprietary feature optimizes the maximum-age timer and tries to find an alternate path to the root when a root port or blocked interface on a switch receives inferior BPDUs from its [...]
CCIE R&S Core Knowledge Question(8)
Monday, May 25th, 20091. SPF is scheduled to calculate the Shortest Path Tree when…. Highlight for answer: there is a change in the topology. 2. Which Cisco proprietary feature optimizes the maximum-age timer and tries to find an alternate path to the root when a root port or blocked interface on a switch receives inferior BPDUs from its [...]
CCIE R&S Core Knowledge Question(7)
Tuesday, May 5th, 20091. Which well known BGP community is used in confederation scenarios to prevent sending packets outside the local AS? Highlight for answer: Local-AS 2. By default, any single EIGRP process may use up to what percentage of the configured bandwidth on any link during periods of network convergence? Highlight for answer: 50 Sorry you have [...]
CCIE R&S Core Knowledge Question(6)
Tuesday, April 28th, 20091. What is the default OSPF network for the following media types: Ethernet, Token Ring, and FDDI? Highlight for answer: Broadcast 2. What OSPF router type connects one or more areas to the backbone and acts as a gateway for interarea traffic? Highlight for Answer: Area Border Router (ABR) 3. To be in compliance with [...]