. Pick one wrong approach when setting up load balancing strategies in Docker-based systems. A: Exposing a Docker socket via TCP protocol for connecting machines into same network B: Exposing a Docker socket via UDP protocol for connecting machines into same network C: Using internal Docker network in already connected machines OD: Using ingress controller from an external orchestrator (e.g. Traefik, Nginx, HAProxy) in already connected machines How to establish a TCP connection between multiple containers? A: By creating a Docker network using a driver and attaching containers to it. B: Containers are using global network by default. C: Containers have to be started in a single Docker command. OD: By using network name with a PUBLISH command in Dockerfile.

. Pick one wrong approach when setting up load balancing strategies in Docker-based systems. A: Exposing a Docker socket via TCP protocol for connecting machines into same network B: Exposing a Docker socket via UDP protocol for connecting machines into same network C: Using internal Docker network in already connected machines OD: Using ingress controller from an external orchestrator (e.g. Traefik, Nginx, HAProxy) in already connected machines How to establish a TCP connection between multiple containers? A: By creating a Docker network using a driver and attaching containers to it. B: Containers are using global network by default. C: Containers have to be started in a single Docker command. OD: By using network name with a PUBLISH command in Dockerfile.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Network Protocols

A network protocol is a set of rules that govern how data is exchanged between the devices in a network. Network protocols enable communication between devices that are located in different parts of the world. Consequently, they are critical in today's digital communications.

Question

1. Pick one wrong approach when setting up load balancing strategies in Docker-based systems.
A: Exposing a Docker socket via TCP protocol for connecting machines into same network
B: Exposing a Docker socket via UDP protocol for connecting machines into same network
C: Using internal Docker network in already connected machines
D: Using ingress controller from an external orchestrator (e.g. Traefik, Nginx, HAProxy) in already connected machines
2. How to establish a TCP connection between multiple containers?
A: By creating a Docker network using a driver and attaching containers to it.
B: Containers are using global network by default.
C: Containers have to be started in a single Docker command.
D: By using network name with a
PUBLISH
command in Dockerfile.

3. Pick a command which does not remove abandoned containers:
A:
docker container prune
B:
docker ps --filter "status=exited" | grep 'weeks ago' | awk '{print $1}' | xargs --no-run-if-empty docker rm
C:
docker prune $(docker ps -q)
D:
docker rm $(Docker ps -q -f status-exited)

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