Cisco CLI Analyzer 2.0 Released - IOS and NX-OS support added!

Cisco CLI Analyzer 2.0 Powered by TAC What's New? New name: Now that we support IOS and NX-OS the ASA CLI Analyzer is now the "Cisco CLI Analyzer".   Note: If you currently use Output Interpreter please migrate over to CLI Analyzer as it has more advanced diagnostic capabilities. Enhancements:   Advanced System Diagnostics for IOS, IOS-XE, IOS-XR. XR includes "Virtual TAC" providing deep diagnostics and customized analysis. New Contextual Help & Highlighting and System Diagnostic checks added! Platform Contextual Help & Highlighting System Diagnostics ASA 651 131 IOS, IOS-XE 705 221 IOS-XR 6,201 119 NX-OS 250 N/A •Device detection: Information such as serial #, software version, model and device type are automatically added to Cisco supported devices (ASA, IOS*, NX-OS) within the Devices tab. •Contextual Menu: Added the ability to highlight text in the CLI and search cisco.com •Request new CHH content •Keyboard shortcuts: Tab through your sessions (CTRL+Tab), open a new session (ALT+Q) and Search Highlight (CTRL+F) Security: Save CCO credentials using Master Password. Overview: In this release of Cisco CLI Analyzer 2.0 we added advanced TAC tools and knowledge to support IOS, IOS-XE, IOS-XR, NX-OS and new ASA content. UCS tools and advanced Case automation capabilities are in the pipeline! What's next?    Upgrade to 2.0 now!  The Cisco CLI Analyzer is your ticket to the most current and powerful tools from Cisco TAC.   Free Cisco labs for CCNA, CCNP and CCIE students! Presented by René Molenaar - CCIE #41726

 
 

Networking Questions - Cisco based

Another interesting set of Questions to help you on your way to certification - or as a refresh - enjoy.

1. How many access control lists can you apply to an interface?

A) Unlimited
B) One ACL per port per direction
C) 10
D) You do not apply ACL to interfaces

2.  IGRP advertises routes to interior, system and exterior routes

A) True
B) False

3. What class of routing protocol is EIGRP?

A) Link state
B) Distance vector
C) Hybrid

4. Where would you place standard access lists?

A) As close to the destination as possible
B) As close to the source as possible

5. With full-duplex Ethernet no collisions can occur.

A) True
B) False







1. Correct Answer: B
Cisco routers only allow you to place one access control list (ACL) per direction. One inbound ACL and one outbound ACL. However you can add multiple statements to these access lists.

2. Correct Answer: A
IGRP advertises three types of routes:

Interior routes are routes between subnets in the network attached to a router interface.
System routes are routes to networks within an autonomous system.
Exterior routes are routes to networks outside the autonomous system. 

3.  Correct Answer: C
EIGRP is a hybrid routing protocol which uses a combination of distance vector and link state methods to determine the best path.

4. Correct Answer: A
Standard access lists only filter based on source address so they have to be placed as close to the destination as possible.

5. Correct Answer: A

How did you go? More Questions coming, stay tuned...

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More Random Networking Questions

Here's another set of Cisco based 

networking questions, 

They may assist with your gaining certification 

or just as a refresher - enjoy!

1. Which of the following could be a valid MAC address?

A) 00-08-74-CE-B7-90
B) 192.168.0.1
C) FFFF.FFFF.FFFF.FFFF
D) 255.255.255.240

2. Fragment Free switching method is best described by which of the following?

A) The entire frame is received before forwarding is commenced
B) Forwards frame after receiving the destination MAC address
C) Filters out collision packets by waiting for the first 64 bytes of data

3. A CIDR value of /30 equates to what subnet mask?

A) 255.255.255.253
B) 255.255.255.128
C) 255.255.255.248
D) 255.255.255.252

4. Bridges cannot provide congestive feedback information to end nodes?

A) True
B) False

5. What is true about the MAC address?

A) Used to identify networks
B) Defined at the Network layer
C) Unique for every networked device in the world
D) Identical to the IP address

6. What OSI layer does the following refer to?

"Establishes availability of intended communication partners, establishes agreement on procedures regarding error recovery and data integrity and synchronizes networked applications"

A) Transport layer
B) Session layer
C) Datalink layer
D) Application layer
E) Presentation layer






1. Correct Answer: A

The standard format for printing MAC addresses is six groups of two hexadecimal digits, separated by hyphens (-) or colons (:) e.g. 00-08-74-CE-B7-90, 00:08:74:CE:B7:90.
Another convention commonly used is three groups of four hexadecimal digits separated by dots e.g. 0573.4567.19ab.

2. Correct Answer: C

Fragment Free is also referred to as Modified Cut-Through. It is the default mode used by Cisco® Catalyst® 1900 series switches. This switching method is the same as with Cut-Through except the switch will check the first 64 bytes of every frame received as this is where the vast majority of errors occur within a frame.
3. Correct Answer: D

4. Correct Answer: A

Flow Control and Congestive Feedback are functions of the Network layer. Bridges operate at the Data Link layer so these responsibilities fall to the end devices in a bridged environment.

5. Correct Answer: C

MAC addresses are assigned by the manufacturer of a network interface card (NIC) and are stored in its hardware. A MAC address contains the manufacturer's identification number.

The MAC address may also be referred to as the burned-in address, hardware address, Ethernet address or physical address and is part of the Data Link layer, specifically the Media Access Control sub-layer of the Data Link layer.

6. Correct Answer: D

The Application layer of the OSI model (layer 7) establishes availability of intended communication partners, establishes agreement on procedures regarding error recovery and data integrity and synchronizes networked applications.



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Common Tools Explained

 A Useful collection of explanations to help you understand the everyday use of common tool - enjoy:-)

DRILL PRESS : A tall upright machine useful for suddenly snatching flat metal bar stock out of your hands so that it smacks you in the chest and flings your beer across the room, denting the freshly-painted project which
you had carefully set in the corner where nothing could get to it.

WIRE WHEEL : Cleans paint off bolts and then throws them somewhere under
the workbench with the speed of light . Also removes fingerprints and
hard-earned calluses from fingers in about the time it takes you to say, 'Oh
sh--!'

SKIL SAW : A portable cutting tool used to make studs too short.

PLIERS : Used to round off bolt heads. Sometimes used in the creation of
blood-blisters.

BELT SANDER : An electric sanding tool commonly used to convert minor
touch-up jobs into major refinishing jobs.

HACKSAW : One of a family of cutting tools built on the Ouija board
principle... It transforms human energy into a crooked, unpredictable
motion, and the more you attempt to influence its course, the more dismal
your future becomes.

VISE-GRIPS : Generally used after pliers to completely round off bolt
heads. If nothing else is available, they can also be used to transfer
intense welding heat to the palm of your hand.

OXYACETYLENE TORCH : Used almost entirely for lighting various flammable
objects in your shop on fire Also handy for igniting the grease inside the
wheel hub out of which you want to remove a bearing race.

TABLE SAW : A large stationary power tool commonly used to launch wood
projectiles for testing wall integrity.

HYDRAULIC FLOOR JACK : Used for lowering an car to the ground after
you have installed your new brake shoes , trapping the jack handle firmly
under the bumper.

BAND SAW : A large stationary power saw primarily used by most shops to cut
good aluminum sheet into smaller pieces that more easily fit into the trash
can after you cut on the inside of the line instead of the outside edge.

TWO-TON ENGINE HOIST : A tool for testing the maximum tensile strength of
everything you forgot to disconnect.

PHILLIPS SCREWDRIVER : Normally used to stab the vacuum seals under lids or
for opening old-style paper-and-tin oil cans and splashing oil on your
shirt; but can also be used, as the name implies, to strip out Phillips
screw heads.

STRAIGHT SCREWDRIVER : A tool for opening paint cans Sometimes used to
convert common slotted screws into non-removable screws and butchering your
palms.

PRY BAR : A tool used to crumple the metal surrounding that clip or bracket
you needed to remove in order to replace a 50 cent part.

HOSE CUTTER : A tool used to make hoses too short.

HAMMER : Originally employed as a weapon of war, the hammer nowadays is
used as a kind of divining rod to locate the most expensive parts adjacent
the object we are trying to hit.

UTILITY KNIFE : Used to open and slice through the contents of cardboard
cartons delivered to your front door; works particularly well on contents
such as seats, vinyl records, liquids in plastic bottles, collector
magazines, refund checks, and rubber or plastic parts. Especially useful for
slicing work clothes, but only while in use.

SON-OF-A-BITCH TOOL : (A personal favorite!) Any handy tool that you grab
and throw across the garage while yelling 'Son of a BITCH! ' at the top of
your lungs. It is also, most often, the next tool that you will need.