1.What are the three layers of the Cisco Hierarchical Model? The three layers of the Cisco Hierarchical Model are:1 The access layer The distribution layer The core layer 2.In the Cisco Hierarchical…
Month: April 2009
CCNA Quick Notes – WAN
1.The three WAN connection types available are leased lines, circuit-switched, and packet-switched. Define the differences between each connection type. Leased lines are dedicated point-to-point lines that provide a single preestablished WAN communication…
CCNA Quick Notes – LAN
1. What is carrier sense multiple access collision detect (CSMA/CD)? CSMA/CD describes the Ethernet access method. In CSMA/CD, many stations can transmit on the same cable, and no station has priority over…
CCIE R&S Core Knowledge Question(3)
1. What is the primary difference between SNMP traps and SNMP inform requests (informs)? Highlight for answer: SNMP informs are traps that include a request for confirmation of receipt from the SNMP…
CCIE R&S Core Knowledge Question(2)
1. Which point-to-multipoint technology utilizes an IPv4 address embedded in an IPv6 address (the IPv4 address is converted to hexadecimal and then concatenated to the prefix 2002::/16) to allow isolated IPv6 domains…
CCIE R&S Core Knowledge Question(1)
1. Which LSA type is flooded throughout the autonomous system by an Area Border Router and contains an AS Boundary Router address? Highlight for answer: Type-4 LSA (ASBR Summary) 2. R1#ping FE80::2…
CCIE R&S Lab Exam (Open-Ended-Question)
First，let’s look at two Cisco official declarations about the open-ended question of CCIE R&S Lab Exam. Jan 14, 2009 Changes to CCIE Lab and Written Exam Question Format and Scoring Effective February…
BCMSN Lab4 – Configuring Layer 3 Redundancy with HSRP
【Lab Objectives】 1. Understand the working principles of HSRP. 2. Master the HSRP configuration methods. 3. Understand the standby and track functions of HSRP. 【Lab Topology】
BCMSN Lab3 – Configuring L2 & L3 EtherChannel with LACP
【Lab Objectives】 1. Master the configuration methods of the Cisco-proprietary LACP link aggregation protocol. 2. Master the differences between the Layer2 LACP configuration and the Layer3 LACP configuration. 3. LACP is the…