1.What are VLANs? VLANs are broadcast domains in a Layer 2 network. Each broadcast domain is like a distinct virtual bridge within the switch. Each virtual bridge you create in a switch…
Category: CCNA R&S
Routing and Switching
CCNA Quick Notes – PPP
1.PPP can be used over what physical WAN interfaces? PPP can be used on the following: Asynchronous serial interfaces High-Speed Serial Interface (HSSI) ISDN Synchronous serial interfaces
CCNA Quick Notes – IOS Commands
1.What two EXEC modes are supported in the Cisco IOS? The two EXEC modes are: User EXEC mode (user mode) Privileged EXEC mode (enable or privileged mode) In the IOS, what is…
CCNA Quick Notes – NetworkManagement
1.What is the Cisco Discovery Protocol (CDP)? CDP is a Cisco proprietary protocol that runs on all Cisco IOS-enabled devices. It is used to gather information about directly connected neighboring devices. CDP…
CCNA(640-802) Lab – RIPv2(New)
RIPv2 was first described in RFC 1388 and RFC 1723 (1994); the current RFC is 2453, written in November 1998. Although current environments use advanced routing protocols such as OSPF and EIGRP,…
CCNA(640-802) Lab – NAT(New)
NAT is Short for Network Address Translation, an Internet standard that enables a local-area network (LAN) to use one set of IP addresses for internal traffic and a second set of addresses…
CCNA(640-802) WLAN Analysis
WLAN or Wireless Local Area Network is a set of standards for creating a Local Network using radios to communicate. A Wireless LAN can be thought of like a shared segment of…
CCNA Quick Notes – Switching
1.What are three types of LAN traffic? Unicasts – intended for one host. Broadcasts – intended for everyone. Multicasts – intended for a only a subset or group within an entire network….
CCNA Quick Notes – Frame Relay
1.What protocol does Frame Relay rely on for error checking? Frame Relay does not rely on any certain protocol for error checking. Instead, it relies on upper-layer protocols to provide error checking….