It depends on a lot of things make, model, port density and 
more. You would have to research to find each manufacturers 
point of view, one example could be a 3750 from cisco which 
I think is limited to nine switches when using the serial 
uplink cables.

ok i am jitendera kumar sinha a cisco certified network associate(ccna) i am trikng to explain that may be i wong but let me try to explain
ok
this number is non thing it is a simple file name
now i am going to derived it
c2500-it is platfrom
j indicates that file is an enterprise image
s indicate that file cnatain eated capablity
l indicates that file,can be moved from falsh memory if nedded.
112-18(wrong syn) i think it must be 11.2-18 it is a revision num
bin indicates that cisco ios is a binary executable file

   Answer: 1. VPLS Emulates an Ethernet Switch ,With each
EMS being analogous to a VLAN

Answers: 1. QOS must be set to Platinum
         2. WMM must be enabled

A. Voice need to be assigned to the hardware priority queue.

B. Voice needs to be assigned to the software prority queue.

C. Call singnalling must have guaranteed bandwidth service.

D. Strict-Priority Queuing should be limited to 50 percent
of the capacity of the link.

A. Deploy RADIUSor LDAP to assign the address to the user.

B. Use DHCP to assign addres based on incoming user policies.

C. Deploy a client model to assign a unique address to the user.

D. Use an internal address pool per VPN headend; use with
ACLs and a static route to the VPN headend.

use an internal address pool per  vpn headend; use with 
acls and a ststic route to the vpn headend.

or otherwise create the ipsec vpn tunnel between the two 
ends.

A. Layer 1 intercontroller roaming

B. Layer 2 intercontroller roaming

C. layer 3 intercontroller roaming

The answer is Layer 2 intercontroller roaming

A. Neither broadcast nor multicast traffic is ever flooded
in VPLS

B. Multicast traffic is flooded but broadcast traffic is not
flooded in VPLS

C. VPLS emulates an Ethernet switch,which each EMS being
analogous to a VLAN

D. Because U-PE devices act as IEEE 802.1 devices,the VPLS
core must use STP

Answer: A

Diagramming application information flow is important
because it helps identify heavy traffic paths.

A.	it helps identify heavy traffic paths

Answer: A

You need to look at the business objectives of your customer
so that you?re able to identify organizational objectives.
These can have a big impact on how you design the network.

B.	Scheduling requirements

Answer: A

The first step in diagramming packet flow for the terminals
within a network is to identify the end user nodes of all
the terminals.

A.	Identify the end user nodes of all the terminals

B.	Test all cabling

Answer: Depends on the case study you get. You may be asked
if you should include the entire network in the prototype
design, build out the firewall for the prototype, etc.

D.	3640