CCIE Routing and Switching FAQ: OSPF Q1. R1 has received an OSPF LSU from R2. Which of the following methods can be used by R1 to acknowledge receipt of the LSU from R2? A. TCP on R1 acknowledges using the TCP Acknowledgment field. B. R1 sends back an identical copy of the LSU. C. R1 sends back an LSAck to R2. D. R1 sends back a DD packet with LSA headers whose … [Read more...]
CCIE Routing and Switching FAQ: RIPv2 and RIPng
CCIE Routing and Switching FAQ: RIPv2 and RIPng Q1. Which of the following items are true of RIP version 2? A. Supports VLSM B. Sends Hellos to 224.0.0.9 C. Allows for route tagging D. Defines infinity as 255 hops E. Authentication allows the use of 3DES Answer: A, B, and C Q2. In an internetwork that solely uses RIPv2, after the network is stable and converged, which … [Read more...]
CCIE Routing and Switching FAQ: Spanning Tree Protocol
CCIE Routing and Switching FAQ: Spanning Tree Protocol Q1. Assume that a nonroot 802.1D switch has ceased to receive Hello BPDUs. Which STP setting determines how long a nonroot switch waits before trying to choose a new Root Port? A. Hello timer setting on the Root B. MaxAge timer setting on the Root C. ForwardDelay timer setting on the Root D. Hello timer setting on the … [Read more...]
CCIE Routing and Switching FAQ: EIGRP
CCIE Routing and Switching FAQ: EIGRP Q1. Which of the following items are true of EIGRP? A. Authentication can be done using MD5 or clear text. B. Uses UDP port 88. C. Sends full or partial updates as needed. D. Multicasts updates to 224.0.0.10 or FF02::A. Answer: C and D Q2. What classic metric components can be used by EIGRP for metric computation and best path … [Read more...]
CCIE Routing and Switching FAQ: IP Services
CCIE Routing and Switching FAQ: IP Services Q1. Two hosts, named PC1 and PC2, sit on subnet 172.16.1.0/24, along with Router R1. A web server sits on subnet 172.16.2.0/24, which is connected to another interface of R1. At some point, both PC1 and PC2 send an ARP request before they successfully send packets to the web server. With PC1, R1 makes a normal ARP reply, but for … [Read more...]
CCIE Routing and Switching FAQ: Ethernet Basics
CCIE Routing and Switching FAQ: Ethernet Basics Q1. Which of the following denotes the correct usage of pins on the RJ-45 connectors at the opposite ends of an Ethernet crossover cable? A. 1 to 1 B. 1 to 2 C. 1 to 3 D. 6 to 1 E. 6 to 2 F. 6 to 3 Answer: C and E Q2. Which of the following denotes the correct usage of pins on the RJ-45 connectors at the opposite ends of … [Read more...]
CCIE Routing and Switching FAQ: IP Forwarding (Routing)
CCIE Routing and Switching FAQ: IP Forwarding (Routing) Q1. What command is used to enable CEF globally for IPv4 packets? A. enable cef B. ip enable cef C. ip cef D. cef enable E. cef enable ip F. cef ip Answer: C Q2. What command is used to enable CEF globally for IPv6 packets? A. enable cef6 B. ipv6 enable cef C. ipv6 cef D. ip cef (the command automatically … [Read more...]
CCIE Routing and Switching FAQ: IP Addressing
CCIE Routing and Switching FAQ: IP Addressing Q1. In what subnet does address 192.168.23.197/27 reside? A. 192.168.23.0 B. 192.168.23.128 C. 192.168.23.160 D. 192.168.23.192 E. 192.168.23.196 Answer: D Q2. Router1 has four LAN interfaces, with IP addresses 10.1.1.1/24, 10.1.2.1/24, 10.1.3.1/24, and 10.1.4.1/24. What is the smallest summary route that could be … [Read more...]
CCIE Routing and Switching FAQ: Virtual LANs and VLAN Trunking
CCIE Routing and Switching FAQ: Virtual LANs and VLAN Trunking Q1. Assume that VLAN 28 does not yet exist on Switch1. Which of the following commands, issued in the global configuration mode (reached with the configure terminal command) or any of its submodes would cause the VLAN to be created? A. vlan 28 B. vlan 28 name fred C. switchport vlan 28 D. switchport access … [Read more...]