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Ericsson ECP-206 Exam Questions
- Topic 1: IP Addressing (IPv4, IPv6): For network engineers and technicians, this section of the exam covers IP addressing schemes, subnetting, and IP address allocation in Ericsson networks.
- Topic 2: Subnetting: For network engineers and technicians, this particular domain covers subnet mask calculations, CIDR notation, and subnet design.
- Topic 3: Routing Protocols (OSPF, BGP, RIP): For network engineers, this section of the exam covers configuration, troubleshooting, and optimization of routing protocols in Ericsson routers.
- Topic 4: Network Address Translation (NAT): For network engineers, this section is about knowing the NAT concepts, configurations, and how to maintain such networks.
- Topic 5: Network Security and Firewalls: For network engineers and security engineers, this section of the exam covers firewall configuration, ACL adoption, and the best standards of security.
- Topic 6: Network Troubleshooting: For network engineers, in this section, the focus is on the maintenance of networks and tools. It covers vital network issues of Ericsson networks.
- Topic 7: Ericsson IP networking products and solutions: This section of the exam measures the skills of network engineers and covers Ericsson routers, switches, and other IP networking products.
Free Ericsson ECP-206 Exam Actual Questions
Note: Premium Questions for ECP-206 were last updated On Aug. 28, 2026 (see below)
An IS-IS router has been assigned the NSAP address: 49.00F0.0100.5012.3010.00.
What is the Area ID to which the router belongs?
The Area ID to which the router belongs is 49.00F0.0100. The Area ID is a variable-length field in the NSAP address that identifies the area to which the router belongs. The Area ID can be between 1 and 13 bytes long, but it must start and end with an octet (8 bits). The NSAP address is composed of three parts: the authority and format identifier (AFI), the area ID, and the system ID. The AFI is a one-octet field that indicates the format and authority of the rest of the address. The system ID is a fixed-length field of six octets that uniquely identifies the router within an area. The NSAP address also has a network selector (NSEL) field, which is a one-octet field that identifies the network layer service to which a packet should be sent. For IS-IS routers, the NSEL must always be 00.
In this question, the NSAP address is 49.00F0.0100.5012.3010.00. This means that:
The AFI is 49, which indicates a private address.
The Area ID is 00F0.0100, which is four octets long and starts and ends with an octet.
The system ID is 5012.3010, which is six octets long and identifies the router within the area.
The NSEL is 00, which indicates IS-IS.
Therefore, the answer is B.
Which statement is true about LDP?
LDP relies on IGP for all routing-related decisions. LDP is a protocol that distributes labels in an MPLS environment, but it does not perform any routing functions. LDP uses the underlying routing information provided by an IGP, such as OSPF or IS-IS, to forward label packets. LDP and IGP do not exchange their databases at regular intervals, but rather use hello messages to maintain adjacencies and sessions.Reference:Ericsson IP Networking - Routing Protocols,Label Distribution Protocol - Wikipedia
A network operator wants to make sure voice data is prioritized.
In this scenario, to which Ethernet traffic class should it be assigned.
A network operator who wants to make sure voice data is prioritized should assign it to Ethernet traffic class 6. Ethernet traffic class is a term used to refer to the priority code point (PCP) field in the VLAN header of an Ethernet frame. The PCP field is a 3-bit field that can encode up to eight different priority levels, ranging from 0 (lowest) to 7 (highest). The PCP values can be mapped to different types of traffic according to their QoS requirements. The recommended mapping is as follows :
PCP 0: Best effort (default)
PCP 1: Background
PCP 2: Spare
PCP 3: Excellent effort
PCP 4: Controlled load
PCP 5: Video
PCP 6: Voice
PCP 7: Network control
Voice data is a type of real-time traffic that requires the highest priority and lowest delay in the network. Therefore, it should be assigned to PCP 6, which corresponds to Ethernet traffic class 6 .
What network information is, without additional configuration, shared between two iBGP neighbors by default?
iBGP works by exchanging routing information between two or more routers within an AS. Each router sends its own routing table to its neighbors, which contains information about the networks it knows and how they can be reached from that router. By default, iBGP neighbors only share BGP routes learned from eBGP neighbors, which are routers in different ASes. This is because iBGP assumes that all routers within an AS have consistent internal routing information provided by an IGP, such as OSPF or IS-IS. Therefore, iBGP neighbors do not need to share IP address information of loopback interfaces or directly connected interfaces, unless explicitly configured to do so by using commands such as neighbor update-source or network.
Which statement accurately defines an Autonomous System (AS)?
The statement that accurately defines an Autonomous System (AS) is that an AS is a set of routers under a single administration, using an interior gateway protocol and common metrics to route packets within the AS. An AS is a logical grouping of networks that share a common routing policy and operate under a single administrative authority. An AS can be a single network or a collection of networks that are interconnected by routers. An AS uses an interior gateway protocol (IGP), such as OSPF or IS-IS, to exchange routing information within the AS. An IGP uses common metrics, such as hop count or bandwidth, to determine the best path to each destination within the AS. An AS also has a unique number assigned by IANA, called an AS number (ASN), which identifies the AS in interdomain routing .
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