4A0-C01 health - Nokia NRS II Composite exam Updated: 2024
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4A0-C01 Nokia NRS II Composite Exam
Exam Name: Nokia NRS II Composite Exam
Exam Number: 4A0-C01
Credit Towards Certifications: Nokia Network Routing Specialist II
Nokia Service Routing Architect
Mandatory exam Prerequisites: N/A
Exam Duration: 120 minutes
Exam Appointment Duration: 165 minutes. This is the exam duration plus a 45 minute tutorial on computer-based examinations.
Number of Questions: 70
- Demonstrate a basic overall understanding of link state protocols
- Express a basic overall understanding of IP routing design
- Describe the various routing protocol databases (routing, forwarding and link state)
- Demonstrate an understanding of route redistribution and route filter policies
- Understand static and default routes
- Explain the basic operations of OSPF and implementation and operability of OSPF in a network
- Understand OSPF in basic and complex network topologies
- Understand OSPFv3
- Understand single and multi area networks in OSPFv3
- Explain the basic operations of IS-IS, and implementation and operability of IS-IS in a network
- Understand IS-IS for IPv6
- Define the differences between IS-IS and OSPF
- Understand OSPF operations and OSPF routing issues
- Understand networking utilizing a combination of OSPF and IS-IS
- Understand IPv6 basics and IPv6 addressing
- Explain the basic concepts of MPLS technology such as forwarding equivalence classes (FECs), labels and label stacks, label distribution, LSPs and MPLS packet forwarding
- Describe the MPLS header structure and explain the label operations of pop, push and swap
- List the characteristics of different label distribution protocols and compare them
- Explain how LDP works to distribute labels for FECs and establish LSPs
- Describe traffic engineering and its advantage in an MPLS network.
- Identify the traffic engineering extensions made to the IGP routing protocols and understand how they are used with CSPF to establish traffic engineered LSPs
- Demonstrate how RSVP-TE is used to establish traffic engineered LSPs using RSVP signaling messages to distribute labels, specify constraints for the LSP and request LSP protection mechanisms
- Describe the concept of a shared risk link group (SRLG) and its use in traffic engineering
- State the purpose of using LDP over RSVP tunnels to provide traffic engineering in a hierarchical network
- Configure an MPLS-based core network using LDP, RSVP-TE, and LDP over RSVP
- List the various LSP protection mechanisms (Secondary/ Standby LSP, fast reroutes)
- Describe MPLS for IP routing (MPLS shortcuts)
- Configure 6PE on a network of 7750 SRs
- Configure RSVP-TE LSPs using each of the possible protection mechanisms
- Understand how to manage, monitor and perform basic troubleshooting of LDP-established LSPs on the Nokia 7750 Service Router (SR) and Nokia 7450 Ethernet Service Switch (ESS)
- Understand how to manage, monitor and perform basic troubleshooting of RSVP-TE-established LSPs on the Nokia 7750 SR and Nokia 7450 ESS
- Demonstrate a basic overall understanding of Nokia services
- Differentiate between service access point (SAP) and network ports
- Provide an explanation for a service delivery point (SDP) and differentiate between mesh and spoke SDPs
- Differentiate between transport tunnels and service tunnels
- Correctly analyze the implications of maximum transmission unit (MTU) size
- Use the correct operations, administration and maintenance (OAM) tools to analyze a configured system
- Correctly define the terms related to VPWS services such as Epipe, Apipe, Fpipe, and Ipipe
- Correctly configure an Epipe service
- Manage Epipe services given an existing infrastructure including modifying, deleting, disabling, re-enabling, and creating these services
- Explain the issues related to VPWS interworking
- Describe the purpose and operation of a VPLS service
- Explain the different types of SAP encapsulations and describe their behavior
- Correctly configure a VPLS service
- Define and configure an Internet enhanced service (IES)
- Configure an IES spoke termination to a VPLS service
- Identify reasons to use mirror services and differentiate between local and distributed mirror services
- Configure and verify the operation of a remote mirror service
- Identify the protocols and technologies required to implement VPRN service
- Explain the interaction between the control and data plane of a VPRN service
- Configure, verify, and troubleshoot an IPv4 and IPv6 VPRN service
|Nokia NRS II Composite Exam
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4A0-C01 Nokia NRS II Composite Exam
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Nokia NRS II Composite Exam
What type of OSPFv3 LSA is shown?
A . Router LSA
B . Network LSA
C . Inter-Area LSA
D . Link LSA
What event causes an OSPF adjacency to change from ‘down’ to ‘two way’?
A . The router receives a link-state update in response to a link-state request.
B . The router receives a hello packet from its neighbor that contains its own router ID in the neighbor list.
C . The router receives a database description packet from its neighbor.
D . The router receives a link-state acknowledgment in response to a link-state update.
Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-
A . IP packets sent to an IP multicast address.
B . TCP packets sent to an IP multicast address.
C . Ethernet frames sent to an Ethernet MAC address.
D . UDP packets sent to an IP multicast address.
Your client has asked you to update their PeopleCode programs to replace outdated system variables with current
Which system variable replaces %OperatorId?
A . %Session
B . %CurrentUser
C . %UserId
D . %SessionUser
E . %SessionId
F . %SignonUserId
192.168.3.1 is a loopback interface configured into router R2’s OSPF area 0. A ping from router R3 to this loopback
Which of the following is a possible solution to the problem?
A . Add the â€śoriginate-default-routeâ€ option in the NSSA area configuration on router R3.
B . Add the â€śsummariesâ€ option to the NSSA area configuration on router R1.
C . Configure a static route on router R1 to 192.168.3.1.
D . Configure a default route on router R2.
OSPF is operational on all links in the network diagram, all links have the same cost and all routers are configured
with an ECMP value of 4. Router R4 advertises the prefix 192.168.3.0/24 into OSPF.
How many entries for prefix 192.168.3.0/24 will be in router R1’s routing table?
A . 0
B . 1
C . 2
D . 3
E . 4
Which router is the backup designated router for the broadcast network?
A . 10.10.10.2
B . 10.10.10.3
C . 10.10.10.6
D . There is not enough information given to determine the backup designated router.
In the topology shown, router R1 is an ASBR configured to export external routes to OSPF.
Assuming that there are no stub or NSSA networks, which of the following statements regarding LSAs is true?
A . Only router R1 will generate Type 4 LSAs.
B . Only router R3 will generate Type 4 LSAs.
C . Routers R3 and R6 will generate Type 4 LSAs.
D . Routers R1, R3 and R6 will generate Type 4 LSAs.
Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF
How many OSPF Type 5 LSAs will router R1 receive from router R2? Assume the OSPF and IS-IS adjacencies are
A . 0
B . 1
C . 2
D . 3
E . 4
IS-IS IPv6 routing is configured in the network with globally routed addresses as shown.
How many routes will router R4 have in its IPv6 route table?
A . 1
B . 2
C . 3
D . 4
E . 6
F . 7
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The deal could potentially create a communications powerhouse, with combined sales of more than $25 billion.
"We can confirm that Lucent and Alcatel are engaged in discussions about a potential merger of equals that is intended to be priced at market," according to a statement issued by the companies.
"There can be no assurances that any agreement will be reached or that a transaction will be consummated," according to the companies. "We will have no further comment until an agreement is reached or the discussions are terminated."
The communications market has already seen one mega-merger in 2006. Earlier this month, AT&T Inc. acquired rival BellSouth Corp. for $67 billion.
Franced-based Alcatel and U.S.-based Lucent are no strangers to each other. In 2001, the companies were on the verge of a $23 billion merger, but the talks fell apart.
Both Lucent and Alcatel have changed in significant ways since their 2001 merger attempt, in dimensions that go beyond mere contraction in size. Lucent spun off its enterprise voice products as Avaya, as well as microelectronics products in the group that later became Agere Systems Inc. Optical transport products were reduced to those emphasizing add-drop multiplexing and multi-service switching, with the highly-touted Lambda router cross-connect dropped from Lucent's portfolio.
Lucent expanded its metro routing products, first with a Juniper alliance, and later by acquiring Riverstone Networks Inc. assets from bankruptcy court, with the latter routers and switches won in a bid against Ericsson on March 20.
Alcatel pulled together a range of enterprise and metro-carrier products for Internet Protocol switching, ranging from the 1999 acquisition of Ethernet switching company Xylan, to the 2003 acquisition of service-router startup TiMetra Networks. Both companies place more emphasis on IP routing and IP Multimedia Subsystem platforms, reflecting the phasing out of time-division multiplexed technology in public networks.
Because the Lucent and Alcatel products address a smaller sector of the overall networking market, a merger may have an easier time being approved by both the U.S. Justice Department and European Union.
However, the similarity in consolidations both companies implemented in the 2001 to 2006 time frame means that a combined Alcatel-Lucent would need to prune overlaps in their product lines, particularly in DSL access multiplexers and mid-sized routers.
After spinning off from AT&T in 1996, Lucent was once a high flyer in the booming communications equipment market. But the company has fallen on hard times. In January, Lucent reported a first-quarter loss of $278 million as sales fell $21 million from a year earlier to $2.05 billion, due to the slumping China market.
Lucent lowered its fiscal 2006 year guidance, calling for revenue to increase in the low single digits rather than mid single digits as forecast previously.
Alcatel recently paid its first dividend in four years on the back of better-than-anticipated profits at almost all of its divisions, but in particular broadband access and mobile infrastructure.
Fourth-quarter profits jumped to 541 million euros ($655 million) from 466 million euros ($564 million) a year earlier. Sales rose 7.6 percent to 4.1 billion euros, and the operating margin climbed to 13.2 percent from 12 percent in the year-ago quarter.
For the year as a whole, revenues increased from 12.2 billion euros ($14.8 billion) in 2004 to 13.1 billion euros ($15.9 billion) last year.
The company said its results were helped by a turnaround in its fixed-line business on increased demand for "triple play" services that operators use to offer a mix of voice, data and video.
Loring Wirbel contributed to this story from Colorado Springs, Co.
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The French group will control 60 percent of the shares in the combined operation, and after tough talks it was agreed a separate, independent entity would be established to oversee sensitive contracts with the U.S. government.
The companies revealed ten days ago they were in merger talks, and the biggest obstacle to the merger was believed to be how to address political and security concerns regarding the work done by Lucent&#8217;s Bell Labs subsidiary for the U.S government, particularly for the Pentagon.
The deal was also complicated by Alcatel&#8217;s plans to increase its 9.5 percent stake in French aerospace and defence group Thales. The announcement on Sunday (April 2) said the combined group would &#8220;remain the industrial partner of Thales and a key shareholder alongside the French state,&#8221; and that talks would continue over the possibility of Alcatel increasing its stake in Thales. The French government currently has a 30 percent stake in Thales.
With market capitalization of Euros 30 billion ($36 billion), second only to Cisco in the communications equipment business, Alcatel/Lucent would rank in one of the top two positions in almost all of its markets, with a global lead in the convergence of fixed and mobile technology.
It would also command the industry&#8217;s biggest research and development capacity, with an annual budget of Euros 2.4 billion ($2.9 billion).
Shares in the combined group will be traded on both the New York stock exchange and Euronext, and the company would be incorporated in France with the executive offices in Paris.
Pat Russo, Lucent&#8217;s chairman and CEO will be CEO of the combined operation while Serge Tchuruk, the head of Alcatel, will become non executive chairman. The French and U.S. companies will have equal representation on the 14-strong management board of the new concern.
Russo said: &#8220;The strategic logic driving this transaction is compelling.&#8221;
Tchuruk said the changing nature of the market, where big operators were merging to put greater pressure on suppliers, made &#8220;scope and scale&#8221; necessary.
The deal is expected to produce savings of Euros 1.4 billion ($1.7 billion) within three years, but is also likely to see the combined workforce reduced by about 9,000, or 10 percent of the current headcount.
The agreement also stipulates a $500 million break-up fee if either side pulls out.
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