Dish Network Senior Network Operations Engineer Interview Questions and Answers

Q1. Ospf protocol and routing
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Q2. Osi layers and bgp
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Q1. Bgp protocol and switching
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Q2. Incident management
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Q1. Tell me about yourself
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I am a highly experienced Senior Network Engineer with a strong background in designing, implementing, and managing complex network infrastructures.
• Over 10 years of experience in network engineering

• Proficient in Cisco, Juniper, and Palo Alto technologies

• Skilled in network design, implementation, and troubleshooting

• Certified in CCNP and JNCIP

• Led successful network upgrade projects at previous companies
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Q2. Experience and expertice , certification
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Q1. What is ECI MUX and ECI Alarm ?
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Q2. What is SDH card and MUX ?
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Q1. Volte call flow
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Q1. What is difference between straight through and cross over cabling
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Q2. Port number of FTP, HTTP, DNS, DHCP
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Q3. Name some Firewalls in market
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Q4. What are trunck and access ports
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Q5. What is a VLAN
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Q6. What is SNMP
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What is GSM And high frequency distance , ART full form , What is FFT

Q1. Difference between LAN And WAN
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LAN is a local area network that connects devices in a small geographical area, while WAN is a wide area network that connects devices over a large geographical area.
• LAN is typically used in homes, offices, or small businesses.

• WAN connects devices across cities, countries, or even continents.

• LAN has higher data transfer speeds and lower latency compared to WAN.

• Examples of LAN technologies include Ethernet and Wi-Fi, wh...read more
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Q2. How to LAN Area frequently details
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LAN areas are frequently monitored for network performance and security.
• Regularly check network traffic and bandwidth usage

• Monitor network devices for any issues or malfunctions

• Implement security measures such as firewalls and intrusion detection systems

• Update network configurations and software to ensure optimal performance

• Conduct regular network audits to identify any vulnerabilities

• Provide training to users on best
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Q3. What is frequency
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Frequency refers to the number of occurrences of a repeating event per unit of time.
• Frequency is measured in Hertz (Hz)

• It is commonly used in the context of electromagnetic waves, sound waves, and electrical signals

• For example, a radio station broadcasting at 100.1 MHz has a frequency of 100.1 million cycles per second
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Q4. How to GMW control
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GMW control refers to the process of managing and controlling the Global Manufacturing Warehouse.
• Implementing inventory management systems to track stock levels

• Utilizing barcode scanning technology for accurate stock tracking

• Establishing standard operating procedures for warehouse operations

• Regularly conducting audits to ensure inventory accuracy
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Q5. How to use frequency
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Frequency can be used to determine the number of occurrences of a repeating event within a specific time period.
• Frequency is measured in hertz (Hz) and represents the number of cycles per second.

• It is commonly used in telecommunications to describe the rate at which data is transmitted.

• In networking, frequency can refer to the range of radio frequencies used for wireless communication.

• Frequency can also be used in trou...read more
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Q6. High quality And low quality difference
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High quality refers to superior standards and performance, while low quality indicates subpar standards and performance.
• High quality products are durable and reliable

• Low quality products may break easily and have defects

• High quality services are efficient and effective

• Low quality services may be slow and inaccurate
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Q1. What is BGP? What is spilit horizon rule? How you configure BGP route reflector? Tell BGP path selection algorithm? ebgp multihop concept? OSPF LSA types and descriptions? How to redistribute OSPF into BGP...read more
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BGP is a routing protocol used to exchange routing information between different autonomous systems. It uses path vector algorithm.
• Split horizon rule prevents a router from advertising a route back to the same interface from which it was learned.

• BGP route reflector is configured by defining a cluster ID and selecting reflector clients.

• BGP path selection algorithm selects the best path based on attributes like AS path l...read more
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Q2. Switching STP HSRP VLAN RSTP BPDU guard vs BPDU filter
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Explanation of STP, HSRP, VLAN, RSTP, BPDU guard and BPDU filter in network switching.
• STP (Spanning Tree Protocol) is used to prevent loops in a network by blocking redundant paths.

• HSRP (Hot Standby Router Protocol) provides redundancy for IP networks by allowing multiple routers to share a virtual IP address.

• VLAN (Virtual Local Area Network) is a logical grouping of devices on a network, allowing for better network ma...read more
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Q1. MPLS,L2VPN,L3VPN,BGP,OSPF & ISIS
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Q1. About yourself Previous experiences
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Q1. BGP Port number BGP states STP Nexus code upgrades VPC VDC
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Q1. Network flow in nexus switches vpc communication in nexus switches unable to ssh nexus
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Network flow in Nexus switches involves understanding vPC communication and troubleshooting SSH connectivity issues.
• Network flow in Nexus switches involves the movement of data packets between devices connected to the switches.

• vPC (Virtual Port Channel) communication in Nexus switches allows for link aggregation and redundancy by combining multiple physical links into a single logical link.

• Troubleshooting SSH connectiv...read more
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