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A network designer is concerned with the classification
of traffic on a Contivity system. The Contivity device
has one private interface and one public and both MF
Classifier enabled. On Private interface, the Ingress
MF Classifier rule marks all packets to be EF, and the
Egress MF Classifier rule marks all packets to be AF4.
The Ingress MF Classifier does not have a rule defined.
What is the classification of the packets when they
pass thru private to public?
"Legacy Forwarding Priority" has been selected
for Egress queuing mode for a LAN. Under the condition
of heavy traffic. What is the approximate rate per pass
that the packets would be transmitted based on their
A. Priority- 1@70%; Priority-2@20%; Priority- 3@8%;
B. Priority- 1@75%; Priority-2@15%; Priority- 3@7%;
C. Priority-1@50%; Priority-2@25%; Priority- 3@5%; Priority-
D. Priority-1@60%; Priority-2@25%; Priority- 3@10%;
A remote user transfers files between his client PC
and ftp server in the branch office over Contivity VPN.
The Contivity switch has all its private and public
interfaces shaping enabled. Private interface shaping
rate =1Mbps, and speed? (To simplify the scenario, assume
no bottleneck in Internet cloud.)
A. download = 8Mbps, upload = 4mbps
B. download = 2Mbps, upload = 2mbps
C. download = 4Mbps, upload = 8mbps
D. download = 2Mbps, upload = 4mbps
QoS interface statistics show a public interface has
total available bandwidth of Mbps, used bandwidth =
9Mbps, and has 3 active users from the same group. An
administrator reconfigured the group to lower the committed
rate from 3Mbps to 2Mbps and enabled admission control.
Based on the scenario, which statement is true?
A. The 3 active users remain active and the fourth user
B. The switch keeps the 3 active users, but adjust each
C. The 3 active users are logged off by the switch in
order to active the new setting.
D. The fourth user is rejeed, the 3 active users remain
active and rate unchanged.
An operator checks a Contivity Interface QoS Statistic
for a public interface. It shows that BWM is enabled,
and Admission control is enabled, and the number of
and width Total? If a Branch Office tries to get connected,
what will happen?
A. The BO session is rejected, and error message shows
bandwidth is full?
B. The BO session is setup, and lower priority users
are logged off for yielding to higher priority BO.
C. The BO session is setup, but gets 0 bps runtime bandwidth
and the session state is pending? And will be fully
admitted when bandwidth is available.
D. The BO session is partially admitted and gets 50%
of requested bandwidth from over-scribed rate, and will
be fully admitted when bandwidth is available.
Assuming a Contivity supports a maximum of 2000 sessions,
the possible maximum number of connections available
for each Call Admission priority is:
A. Priority-1, 500; Priority-250; Priority-3 200; priority-4,
B. Priority-1, 600; Priority-2 350; Priority-3 150;
C. Priority-1, 1000; Priority-2800; Priority-3 600;
A. Priority-1, 2000; Priority-2, 1800; Priority-3 1500;
A CES serial WAN interface has a date rate of 2Mbps
and is configured with 90% of tunnel traffic rating,
and an over-subscription ratio of 4:1. Both bandwidth
management and admission control are enabled. What is
the maximum number of subscribers with a committed rate
of 64000 bps and an excess rate =128000 bps?
A service provider needs to provide managed VPN service
to an automobile manufacturing company. This customer
has seven regional offices and around 1,000 sales offices.
The seven regional offices range from DSL to modem Dialup
connections. Which routing protocol will provide the
best solution for this network scenario?
A. Static Routing over BO tunnels
B. Dynamic Routing (OSPF) of BO tunnels
C. Static Routing with static failover for the 7 regional
D. OSPF for 7 regional offices and static routing with
static failover for the branch office
A customer is experiencing performance problem on the
Contivity router. They are having OSPF routing issues
running a recent software release. Which scaling consideration
should initially be considered to resolve the problem?
A. Implement route policies
B. Downgrade to a software release
C. Upgrade to a higher software release
D. Calculate the overall memory requirement for the
A customer is concerned about convergence time in their
OSPF network. Their network consists of the following:
1. Peer-to-peer connections
2. 150 OSPF Tunnels
3. hub and spoke
4. Contivity 4600
What should the customer do to improve convergence time?
A. limit the OSPF tunnels to 100
B. limit the OSPF tunnels to 120
C. limit the OSPF tunnels to 110
D. limit the OSPF tunnels to 115
A Contivity is experiencing connectivity problems. The
design engineer suspects that scaling factors have been
exceeded. If the design engineer's assumption is correct,
which statement is true?
A. exceeding scaling factors only affects memory
B. manual intervention may be needed for recovery
C. exceeding scaling factors only affects CPU performance
D. devices will recover automatically if scaling factors
A stock exchange is planning to provide secure access
to 1000 financial institutions as well as stockbrokers.
The stock market is open for set time periods only.
Which kind of Branch Office tunnel can help the stockbrokers
to process their transaction at all times?
A. PPTP BO
B. Static BO with backup Tunnel
C. Nail-up BO with backup Tunnel
D. Asymmetric Branch Office Tunnel
A designer is implementing a large SOHO Contivity network
consisting of the following:
* A variety of broadband services will be used for connectivity
* IP SEC Traffic
* Users will be mixed between remote access services
and having a local gateway
Which IP addressing scheme will be needed for the SOHO
A. static IP Addresses on the Private Interface only
B. static IP Address Assignments on the Private Interface
C. dynamically assigned IP addresses Interfaces for
the session intiator
D. dynamically assigned IP addresses on public interfaces
serving as the responder
Which Contivity Secure IP Service Gateway does NOT support
tunnel-licensing capability to be upgraded from five
tunnels to their full capacity?
A. Contivity 1000 Series
B. Contivity 600
C. Contivity 1700
D. Contivity 2700
A design engineer wants to interconnect its seven T1
lines with integrated CSUs/DSUs to a Contivity Network.
The Network consists of Contivity 4600 models. What
is the minimum number of Contivity devices that will
be needed to meet this objective?
A Contivity network is using the Alteon Web switch for
large scale client load balancing. What is the maximum
number of tunnels that the Alteon load balancing solution